329899555442 has 32 divisors (see below), whose sum is σ = 510136704000. Its totient is φ = 159929497728.

The previous prime is 329899555429. The next prime is 329899555499. The reversal of 329899555442 is 244555998923.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18736559 + ... + 18754157.

It is an arithmetic number, because the mean of its divisors is an integer number (15941772000).

Almost surely, 2^329899555442 is an apocalyptic number.

329899555442 is a deficient number, since it is larger than the sum of its proper divisors (180237148558).

329899555442 is a wasteful number, since it uses less digits than its factorization.

329899555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730.

The product of its digits is 139968000, while the sum is 65.

The spelling of 329899555442 in words is "three hundred twenty-nine billion, eight hundred ninety-nine million, five hundred fifty-five thousand, four hundred forty-two".