64433044 has 24 divisors (see below), whose sum is σ = 121874760. Its totient is φ = 29629824.

The previous prime is 64433027. The next prime is 64433053. The reversal of 64433044 is 44033446.

It can be written as a sum of positive squares in 4 ways, for example, as 35402500 + 29030544 = 5950^2 + 5388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13122 + ... + 17350.

It is an arithmetic number, because the mean of its divisors is an integer number (5078115).

Almost surely, 2^64433044 is an apocalyptic number.

It is an amenable number.

64433044 is a deficient number, since it is larger than the sum of its proper divisors (57441716).

64433044 is a wasteful number, since it uses less digits than its factorization.

64433044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 64433044 is about 8027.0196212542. The cubic root of 64433044 is about 400.9001478153.

The spelling of 64433044 in words is "sixty-four million, four hundred thirty-three thousand, forty-four".