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4138400800 = 255231166871
BaseRepresentation
bin1111011010101010…
…1111110000100000
3101200102010112122201
43312222233300200
531433412311200
61522352142544
7204360553312
oct36652576040
911612115581
104138400800
111834023856
12975b37a54
1350c4bbb91
142b389d7b2
151934b2c6a
hexf6aafc20

4138400800 has 72 divisors (see below), whose sum is σ = 10428832512. Its totient is φ = 1601952000.

The previous prime is 4138400789. The next prime is 4138400803. The reversal of 4138400800 is 80048314.

It is a super-2 number, since 2×41384008002 = 34252722362881280000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4138400803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58636 + ... + 108235.

It is an arithmetic number, because the mean of its divisors is an integer number (144844896).

Almost surely, 24138400800 is an apocalyptic number.

4138400800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4138400800 is an abundant number, since it is smaller than the sum of its proper divisors (6290431712).

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

4138400800 is a wasteful number, since it uses less digits than its factorization.

4138400800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166922 (or 166909 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 4138400800 is about 64330.4033875119. The cubic root of 4138400800 is about 1605.5019958391.

The spelling of 4138400800 in words is "four billion, one hundred thirty-eight million, four hundred thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 80 100 124 155 160 200 248 310 400 496 620 775 800 992 1240 1550 2480 3100 4960 6200 12400 24800 166871 333742 667484 834355 1334968 1668710 2669936 3337420 4171775 5173001 5339872 6674840 8343550 10346002 13349680 16687100 20692004 25865005 26699360 33374200 41384008 51730010 66748400 82768016 103460020 129325025 133496800 165536032 206920040 258650050 413840080 517300100 827680160 1034600200 2069200400 4138400800