38465737664 has 28 divisors (see below), whose sum is σ = 76344682464. Its totient is φ = 19229282304.

The previous prime is 38465737621. The next prime is 38465737691. The reversal of 38465737664 is 46673756483.

It is a super-2 number, since 2×38465737664² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 308192 + ... + 414624.

Almost surely, 2^38465737664 is an apocalyptic number.

It is an amenable number.

38465737664 is a deficient number, since it is larger than the sum of its proper divisors (37878944800).

38465737664 is a wasteful number, since it uses less digits than its factorization.

38465737664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112092 (or 112082 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 59.

The spelling of 38465737664 in words is "thirty-eight billion, four hundred sixty-five million, seven hundred thirty-seven thousand, six hundred sixty-four".