338904840500 has 24 divisors (see below), whose sum is σ = 740168172744. Its totient is φ = 135561936000.

The previous prime is 338904840499. The next prime is 338904840551. The reversal of 338904840500 is 5048409833.

It can be written as a sum of positive squares in 4 ways, for example, as 32976380836 + 305928459664 = 181594^2 + 553108^2 .

It is a super-2 number, since 2×338904840500² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 338904341 + ... + 338905340.

It is an arithmetic number, because the mean of its divisors is an integer number (30840340531).

Almost surely, 2^338904840500 is an apocalyptic number.

It is an amenable number.

338904840500 is an abundant number, since it is smaller than the sum of its proper divisors (401263332244).

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

338904840500 is a wasteful number, since it uses less digits than its factorization.

338904840500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677809700 (or 677809688 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 338904840500 in words is "three hundred thirty-eight billion, nine hundred four million, eight hundred forty thousand, five hundred".