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2400440442 = 231858321529
BaseRepresentation
bin1000111100010011…
…1101000001111010
320012021212000020120
42033010331001322
514404003043232
61034105434110
7113325256431
oct21704750172
96167760216
102400440442
111021a93484
1256ba9b936
132c341127a
1418ab36118
15e0b1192c
hex8f13d07a

2400440442 has 16 divisors (see below), whose sum is σ = 4801362240. Its totient is φ = 800066592.

The previous prime is 2400440417. The next prime is 2400440459. The reversal of 2400440442 is 2440440042.

2400440442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×24004404422 = 11524228631178310728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100734 + ... + 122262.

It is an arithmetic number, because the mean of its divisors is an integer number (300085140).

Almost surely, 22400440442 is an apocalyptic number.

2400440442 is an abundant number, since it is smaller than the sum of its proper divisors (2400921798).

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

2400440442 is a wasteful number, since it uses less digits than its factorization.

2400440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40117.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 2400440442 is about 48994.2898917823. The cubic root of 2400440442 is about 1338.9477969290.

Adding to 2400440442 its reverse (2440440042), we get a palindrome (4840880484).

It can be divided in two parts, 24004 and 40442, that added together give a palindrome (64446).

The spelling of 2400440442 in words is "two billion, four hundred million, four hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 18583 21529 37166 43058 55749 64587 111498 129174 400073407 800146814 1200220221 2400440442