64426044 has 24 divisors (see below), whose sum is σ = 150595200. Its totient is φ = 21437104.

The previous prime is 64426027. The next prime is 64426057. The reversal of 64426044 is 44062446.

64426044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707 + ... + 11669.

It is an arithmetic number, because the mean of its divisors is an integer number (6274800).

Almost surely, 2^64426044 is an apocalyptic number.

It is an amenable number.

64426044 is an abundant number, since it is smaller than the sum of its proper divisors (86169156).

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

64426044 is a wasteful number, since it uses less digits than its factorization.

64426044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569 (or 9567 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 64426044 is about 8026.5835820728. The cubic root of 64426044 is about 400.8856293711.

The spelling of 64426044 in words is "sixty-four million, four hundred twenty-six thousand, forty-four".