38806531880 has 16 divisors (see below), whose sum is σ = 87314696820. Its totient is φ = 15522612736.

The previous prime is 38806531853. The next prime is 38806531957. The reversal of 38806531880 is 8813560883.

It can be written as a sum of positive squares in 2 ways, for example, as 38762521924 + 44009956 = 196882^2 + 6634^2 .

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, 485081609 + ... + 485081688.

Almost surely, 2^38806531880 is an apocalyptic number.

It is an amenable number.

38806531880 is an abundant number, since it is smaller than the sum of its proper divisors (48508164940).

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

38806531880 is a wasteful number, since it uses less digits than its factorization.

38806531880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970163308 (or 970163304 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 38806531880 in words is "thirty-eight billion, eight hundred six million, five hundred thirty-one thousand, eight hundred eighty".