64480044 has 48 divisors (see below), whose sum is σ = 156078720. Its totient is φ = 20703360.

The previous prime is 64480033. The next prime is 64480051. The reversal of 64480044 is 44008446.

It is a junction number, because it is equal to n+sod(n) for n = 64479993 and 64480020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40047 + ... + 41625.

It is an arithmetic number, because the mean of its divisors is an integer number (3251640).

Almost surely, 2^64480044 is an apocalyptic number.

It is an amenable number.

64480044 is an abundant number, since it is smaller than the sum of its proper divisors (91598676).

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

64480044 is a wasteful number, since it uses less digits than its factorization.

64480044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 64480044 is about 8029.9466996986. The cubic root of 64480044 is about 400.9976015760.

The spelling of 64480044 in words is "sixty-four million, four hundred eighty thousand, forty-four".