38487532072 has 16 divisors (see below), whose sum is σ = 78724497600. Its totient is φ = 17494332720.

The previous prime is 38487532063. The next prime is 38487532079. The reversal of 38487532072 is 27023578483.

It is a happy number.

It is a super-2 number, since 2×38487532072² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38487532079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218679072 + ... + 218679247.

It is an arithmetic number, because the mean of its divisors is an integer number (4920281100).

Almost surely, 2^38487532072 is an apocalyptic number.

It is an amenable number.

38487532072 is an abundant number, since it is smaller than the sum of its proper divisors (40236965528).

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

38487532072 is a wasteful number, since it uses less digits than its factorization.

38487532072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437358336 (or 437358332 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 38487532072 in words is "thirty-eight billion, four hundred eighty-seven million, five hundred thirty-two thousand, seventy-two".