38484556640 has 48 divisors (see below), whose sum is σ = 91102158000. Its totient is φ = 15362941440.

The previous prime is 38484556609. The next prime is 38484556651. The reversal of 38484556640 is 4665548483.

It is a super-2 number, since 2×38484556640² (a number of 22 digits) contains 22 as substring.

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, 161171 + ... + 320850.

It is an arithmetic number, because the mean of its divisors is an integer number (1897961625).

Almost surely, 2^38484556640 is an apocalyptic number.

It is an amenable number.

38484556640 is an abundant number, since it is smaller than the sum of its proper divisors (52617601360).

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

38484556640 is a wasteful number, since it uses less digits than its factorization.

38484556640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482535 (or 482527 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 38484556640 in words is "thirty-eight billion, four hundred eighty-four million, five hundred fifty-six thousand, six hundred forty".