64015424 has 28 divisors (see below), whose sum is σ = 138580368. Its totient is φ = 29097600.

The previous prime is 64015423. The next prime is 64015447. The reversal of 64015424 is 42451046.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64015393 and 64015402.

It is not an unprimeable number, because it can be changed into a prime (64015423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44762 + ... + 46169.

Almost surely, 2^64015424 is an apocalyptic number.

64015424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64015424 is an abundant number, since it is smaller than the sum of its proper divisors (74564944).

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

64015424 is a wasteful number, since it uses less digits than its factorization.

64015424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90954 (or 90944 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 64015424 is about 8000.9639419260. The cubic root of 64015424 is about 400.0321307523.

The spelling of 64015424 in words is "sixty-four million, fifteen thousand, four hundred twenty-four".