329428137903372 has 72 divisors (see below), whose sum is σ = 833635265782592. Its totient is φ = 109688858899200.

The previous prime is 329428137903353. The next prime is 329428137903383. The reversal of 329428137903372 is 273309731824923.

329428137903372 is a `hidden beast` number, since 3 + 2 + 9 + 42 + 8 + 137 + 90 + 3 + 372 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312892872 + ... + 313943952.

Almost surely, 2^{329428137903372} is an apocalyptic number.

It is an amenable number.

329428137903372 is an abundant number, since it is smaller than the sum of its proper divisors (504207127879220).

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

329428137903372 is a wasteful number, since it uses less digits than its factorization.

329428137903372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060639 (or 1060634 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 63.

The spelling of 329428137903372 in words is "three hundred twenty-nine trillion, four hundred twenty-eight billion, one hundred thirty-seven million, nine hundred three thousand, three hundred seventy-two".