38987455464 has 64 divisors (see below), whose sum is σ = 112032936000. Its totient is φ = 12547684800.

The previous prime is 38987455459. The next prime is 38987455489. The reversal of 38987455464 is 46455478983.

38987455464 is a `hidden beast` number, since 3 + 8 + 9 + 8 + 74 + 554 + 6 + 4 = 666.

It is a super-3 number, since 3×38987455464³ (a number of 33 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3105762 + ... + 3118289.

It is an arithmetic number, because the mean of its divisors is an integer number (1750514625).

Almost surely, 2^38987455464 is an apocalyptic number.

It is an amenable number.

38987455464 is an abundant number, since it is smaller than the sum of its proper divisors (73045480536).

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

38987455464 is a wasteful number, since it uses less digits than its factorization.

38987455464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224095 (or 6224085 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 38987455464 in words is "thirty-eight billion, nine hundred eighty-seven million, four hundred fifty-five thousand, four hundred sixty-four".