38640633050 has 24 divisors (see below), whose sum is σ = 71882899200. Its totient is φ = 15453818480.

The previous prime is 38640633043. The next prime is 38640633103. The reversal of 38640633050 is 5033604683.

It is a junction number, because it is equal to n+sod(n) for n = 38640632995 and 38640633013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278441 + ... + 393459.

It is an arithmetic number, because the mean of its divisors is an integer number (2995120800).

Almost surely, 2^38640633050 is an apocalyptic number.

38640633050 is a deficient number, since it is larger than the sum of its proper divisors (33242266150).

38640633050 is a wasteful number, since it uses less digits than its factorization.

38640633050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121750 (or 121745 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 38640633050 in words is "thirty-eight billion, six hundred forty million, six hundred thirty-three thousand, fifty".