27399375402 has 32 divisors (see below), whose sum is σ = 62633779200. Its totient is φ = 7827563568.

The previous prime is 27399375401. The next prime is 27399375407. The reversal of 27399375402 is 20457399372.

It is not an unprimeable number, because it can be changed into a prime (27399375401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 444799 + ... + 502637.

It is an arithmetic number, because the mean of its divisors is an integer number (1957305600).

Almost surely, 2^27399375402 is an apocalyptic number.

27399375402 is an abundant number, since it is smaller than the sum of its proper divisors (35234403798).

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

27399375402 is a wasteful number, since it uses less digits than its factorization.

27399375402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69130.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 27399375402 in words is "twenty-seven billion, three hundred ninety-nine million, three hundred seventy-five thousand, four hundred two".