64315044 has 36 divisors (see below), whose sum is σ = 164807916. Its totient is φ = 21143808.

The previous prime is 64315039. The next prime is 64315093. The reversal of 64315044 is 44051346.

64315044 is a `hidden beast` number, since 643 + 15 + 0 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43956900 + 20358144 = 6630^2 + 4512^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 64314999 and 64315017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9609 + ... + 14864.

Almost surely, 2^64315044 is an apocalyptic number.

It is an amenable number.

64315044 is an abundant number, since it is smaller than the sum of its proper divisors (100492872).

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

64315044 is a wasteful number, since it uses less digits than its factorization.

64315044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24556 (or 24551 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 64315044 is about 8019.6660778364. Note that the first 3 decimals coincide. The cubic root of 64315044 is about 400.6552676413.

The spelling of 64315044 in words is "sixty-four million, three hundred fifteen thousand, forty-four".