4256615040 has 128 divisors (see below), whose sum is σ = 14366185920. Its totient is φ = 1068318720.

The previous prime is 4256614993. The next prime is 4256615063. The reversal of 4256615040 is 405166524.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 4256614992 and 4256615010.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32566 + ... + 97845.

Almost surely, 2^4256615040 is an apocalyptic number.

4256615040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4256615040 is an abundant number, since it is smaller than the sum of its proper divisors (10109570880).

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

4256615040 is a wasteful number, since it uses less digits than its factorization.

4256615040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130450 (or 130438 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 4256615040 is about 65242.7393661548. The cubic root of 4256615040 is about 1620.6458634903.

The spelling of 4256615040 in words is "four billion, two hundred fifty-six million, six hundred fifteen thousand, forty".