38621906248 has 16 divisors (see below), whose sum is σ = 74373265980. Its totient is φ = 18789035328.

The previous prime is 38621906237. The next prime is 38621906273. The reversal of 38621906248 is 84260912683.

It can be written as a sum of positive squares in 2 ways, for example, as 38299272804 + 322633444 = 195702^2 + 17962^2 .

It is a super-3 number, since 3×38621906248³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65239411 + ... + 65240002.

Almost surely, 2^38621906248 is an apocalyptic number.

It is an amenable number.

38621906248 is a deficient number, since it is larger than the sum of its proper divisors (35751359732).

38621906248 is a wasteful number, since it uses less digits than its factorization.

38621906248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130479456 (or 130479452 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 38621906248 in words is "thirty-eight billion, six hundred twenty-one million, nine hundred six thousand, two hundred forty-eight".