38934788220 has 144 divisors (see below), whose sum is σ = 131631121440. Its totient is φ = 9257545728.

The previous prime is 38934788219. The next prime is 38934788251. The reversal of 38934788220 is 2288743983.

38934788220 is a `hidden beast` number, since 3 + 8 + 93 + 478 + 82 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276697 + ... + 392976.

It is an arithmetic number, because the mean of its divisors is an integer number (914105010).

Almost surely, 2^38934788220 is an apocalyptic number.

38934788220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38934788220 is an abundant number, since it is smaller than the sum of its proper divisors (92696333220).

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

38934788220 is a wasteful number, since it uses less digits than its factorization.

38934788220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669724 (or 669719 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 38934788220 in words is "thirty-eight billion, nine hundred thirty-four million, seven hundred eighty-eight thousand, two hundred twenty".