44664040 has 16 divisors (see below), whose sum is σ = 100494180. Its totient is φ = 17865600.

The previous prime is 44664029. The next prime is 44664077. The reversal of 44664040 is 4046644.

It can be written as a sum of positive squares in 2 ways, for example, as 44435556 + 228484 = 6666^2 + 478^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558261 + ... + 558340.

Almost surely, 2^44664040 is an apocalyptic number.

44664040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44664040 is an abundant number, since it is smaller than the sum of its proper divisors (55830140).

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

44664040 is a wasteful number, since it uses less digits than its factorization.

44664040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116612 (or 1116608 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 44664040 is about 6683.1160396929. The cubic root of 44664040 is about 354.8019526166.

The spelling of 44664040 in words is "forty-four million, six hundred sixty-four thousand, forty".