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42485454400 = 265251532
BaseRepresentation
bin100111100100010101…
…001001011001000000
311001122212212200222011
4213210111021121000
51144002234020100
631303442422304
73032554255354
oct474425113100
9131585780864
1042485454400
1117021a27794
128298361994
134010c8b13c
1420b0713464
151189cdcbba
hex9e4549640

42485454400 has 63 divisors (see below), whose sum is σ = 104561062531. Its totient is φ = 16990883840.

The previous prime is 42485454379. The next prime is 42485454421. The reversal of 42485454400 is 445458424.

The square root of 42485454400 is 206120.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (42485454379) and next prime (42485454421).

It can be written as a sum of positive squares in 4 ways, for example, as 3297856 + 42482156544 = 1816^2 + 206112^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8242224 + ... + 8247376.

Almost surely, 242485454400 is an apocalyptic number.

42485454400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

42485454400 is the 206120-th square number.

It is an amenable number.

42485454400 is an abundant number, since it is smaller than the sum of its proper divisors (62075608131).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42485454400 is an frugal number, since it uses more digits than its factorization.

42485454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

The spelling of 42485454400 in words is "forty-two billion, four hundred eighty-five million, four hundred fifty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 5153 10306 20612 25765 41224 51530 82448 103060 128825 164896 206120 257650 329792 412240 515300 824480 1030600 1648960 2061200 4122400 8244800 26553409 53106818 106213636 132767045 212427272 265534090 424854544 531068180 663835225 849709088 1062136360 1327670450 1699418176 2124272720 2655340900 4248545440 5310681800 8497090880 10621363600 21242727200 42485454400