338402972685 has 32 divisors (see below), whose sum is σ = 542465164800. Its totient is φ = 180141696000.

The previous prime is 338402972671. The next prime is 338402972711. The reversal of 338402972685 is 586279204833.

It is not a de Polignac number, because 338402972685 - 2⁵ = 338402972653 is a prime.

It is a super-2 number, since 2×338402972685² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28079541 + ... + 28091589.

It is an arithmetic number, because the mean of its divisors is an integer number (16952036400).

Almost surely, 2^338402972685 is an apocalyptic number.

It is an amenable number.

338402972685 is a deficient number, since it is larger than the sum of its proper divisors (204062192115).

338402972685 is a wasteful number, since it uses less digits than its factorization.

338402972685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15429.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 338402972685 in words is "three hundred thirty-eight billion, four hundred two million, nine hundred seventy-two thousand, six hundred eighty-five".