3432381257856 has 64 divisors (see below), whose sum is σ = 9117457492320. Its totient is φ = 1144102643712.

The previous prime is 3432381257839. The next prime is 3432381257881. The reversal of 3432381257856 is 6587521832343.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3432381257856² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3432381257796 and 3432381257805.

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, 31492351 + ... + 31601153.

Almost surely, 2^{3432381257856} is an apocalyptic number.

It is an amenable number.

3432381257856 is an abundant number, since it is smaller than the sum of its proper divisors (5685076234464).

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

3432381257856 is a wasteful number, since it uses less digits than its factorization.

3432381257856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190973 (or 190961 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 57.

The spelling of 3432381257856 in words is "three trillion, four hundred thirty-two billion, three hundred eighty-one million, two hundred fifty-seven thousand, eight hundred fifty-six".