64456044 has 24 divisors (see below), whose sum is σ = 159244848. Its totient is φ = 20221440.

The previous prime is 64456043. The next prime is 64456103. The reversal of 64456044 is 44065446.

It is a junction number, because it is equal to n+sod(n) for n = 64455996 and 64456014.

It is not an unprimeable number, because it can be changed into a prime (64456043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157777 + ... + 158184.

It is an arithmetic number, because the mean of its divisors is an integer number (6635202).

Almost surely, 2^64456044 is an apocalyptic number.

It is an amenable number.

64456044 is an abundant number, since it is smaller than the sum of its proper divisors (94788804).

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

64456044 is a wasteful number, since it uses less digits than its factorization.

64456044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315985 (or 315983 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 64456044 is about 8028.4521546809. The cubic root of 64456044 is about 400.9478438726.

The spelling of 64456044 in words is "sixty-four million, four hundred fifty-six thousand, forty-four".