3956202232128 has 84 divisors (see below), whose sum is σ = 11936567805760. Its totient is φ = 1249327017216.

The previous prime is 3956202232079. The next prime is 3956202232219. The reversal of 3956202232128 is 8212322026593.

3956202232128 is a `hidden beast` number, since 3 + 9 + 5 + 620 + 2 + 2 + 3 + 2 + 12 + 8 = 666.

It is a super-2 number, since 2×3956202232128² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180736600 + ... + 180758487.

Almost surely, 2^{3956202232128} is an apocalyptic number.

3956202232128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3956202232128 is an abundant number, since it is smaller than the sum of its proper divisors (7980365573632).

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

3956202232128 is a wasteful number, since it uses less digits than its factorization.

3956202232128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361495124 (or 361495111 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 3956202232128 in words is "three trillion, nine hundred fifty-six billion, two hundred two million, two hundred thirty-two thousand, one hundred twenty-eight".