38505187712 has 32 divisors (see below), whose sum is σ = 76900951800. Its totient is φ = 19204556800.

The previous prime is 38505187691. The next prime is 38505187729. The reversal of 38505187712 is 21778150583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 323762 + ... + 426417.

Almost surely, 2^38505187712 is an apocalyptic number.

38505187712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38505187712 is a deficient number, since it is larger than the sum of its proper divisors (38395764088).

38505187712 is an equidigital number, since it uses as much as digits as its factorization.

38505187712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750594 (or 750582 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 38505187712 in words is "thirty-eight billion, five hundred five million, one hundred eighty-seven thousand, seven hundred twelve".