38551507620 has 48 divisors (see below), whose sum is σ = 111426298368. Its totient is φ = 9948775680.

The previous prime is 38551507619. The next prime is 38551507633. The reversal of 38551507620 is 2670515583.

38551507620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10361449 + ... + 10365168.

It is an arithmetic number, because the mean of its divisors is an integer number (2321381216).

Almost surely, 2^38551507620 is an apocalyptic number.

38551507620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38551507620 is an abundant number, since it is smaller than the sum of its proper divisors (72874790748).

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

38551507620 is a wasteful number, since it uses less digits than its factorization.

38551507620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20726660 (or 20726658 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 38551507620 in words is "thirty-eight billion, five hundred fifty-one million, five hundred seven thousand, six hundred twenty".