38635930464 has 48 divisors (see below), whose sum is σ = 107385164208. Its totient is φ = 12121075712.

The previous prime is 38635930409. The next prime is 38635930471. The reversal of 38635930464 is 46403953683.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11835357 + ... + 11838620.

It is an arithmetic number, because the mean of its divisors is an integer number (2237190921).

Almost surely, 2^38635930464 is an apocalyptic number.

38635930464 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38635930464 is an abundant number, since it is smaller than the sum of its proper divisors (68749233744).

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

38635930464 is a wasteful number, since it uses less digits than its factorization.

38635930464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23674007 (or 23673999 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 38635930464 in words is "thirty-eight billion, six hundred thirty-five million, nine hundred thirty thousand, four hundred sixty-four".