3901642256 has 40 divisors (see below), whose sum is σ = 8008665984. Its totient is φ = 1835020800.

The previous prime is 3901642243. The next prime is 3901642279. The reversal of 3901642256 is 6522461093.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691061 + ... + 696683.

Almost surely, 2^3901642256 is an apocalyptic number.

It is an amenable number.

3901642256 is an abundant number, since it is smaller than the sum of its proper divisors (4107023728).

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

3901642256 is a wasteful number, since it uses less digits than its factorization.

3901642256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199 (or 8193 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 3901642256 is about 62463.1271711559. The cubic root of 3901642256 is about 1574.2818267364.

The spelling of 3901642256 in words is "three billion, nine hundred one million, six hundred forty-two thousand, two hundred fifty-six".