38964867220 has 24 divisors (see below), whose sum is σ = 81831241800. Its totient is φ = 15584990592.

The previous prime is 38964867217. The next prime is 38964867241. The reversal of 38964867220 is 2276846983.

It can be written as a sum of positive squares in 4 ways, for example, as 7256654596 + 31708212624 = 85186^2 + 178068^2 .

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, 339346 + ... + 439414.

It is an arithmetic number, because the mean of its divisors is an integer number (3409635075).

Almost surely, 2^38964867220 is an apocalyptic number.

It is an amenable number.

38964867220 is an abundant number, since it is smaller than the sum of its proper divisors (42866374580).

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

38964867220 is a wasteful number, since it uses less digits than its factorization.

38964867220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119547 (or 119545 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 38964867220 in words is "thirty-eight billion, nine hundred sixty-four million, eight hundred sixty-seven thousand, two hundred twenty".