64038960 has 120 divisors (see below), whose sum is σ = 222552720. Its totient is φ = 16482816.

The previous prime is 64038941. The next prime is 64038973. The reversal of 64038960 is 6983046.

64038960 is a `hidden beast` number, since 640 + 3 + 8 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19347 + ... + 22413.

It is an arithmetic number, because the mean of its divisors is an integer number (1854606).

Almost surely, 2^64038960 is an apocalyptic number.

64038960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64038960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111276360).

64038960 is an abundant number, since it is smaller than the sum of its proper divisors (158513760).

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

64038960 is a wasteful number, since it uses less digits than its factorization.

64038960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 64038960 is about 8002.4346295362. The cubic root of 64038960 is about 400.0811502022.

The spelling of 64038960 in words is "sixty-four million, thirty-eight thousand, nine hundred sixty".