44638444 has 6 divisors (see below), whose sum is σ = 78117284. Its totient is φ = 22319220.

The previous prime is 44638441. The next prime is 44638493. The reversal of 44638444 is 44483644.

It is a super-2 number, since 2×44638444² = 3985181365482272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44638441) by changing a digit.

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 as a sum of consecutive naturals, namely, 5579802 + ... + 5579809.

Almost surely, 2^44638444 is an apocalyptic number.

It is an amenable number.

44638444 is a deficient number, since it is larger than the sum of its proper divisors (33478840).

44638444 is a wasteful number, since it uses less digits than its factorization.

44638444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159615 (or 11159613 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

The square root of 44638444 is about 6681.2007902771. The cubic root of 44638444 is about 354.7341632112.

The spelling of 44638444 in words is "forty-four million, six hundred thirty-eight thousand, four hundred forty-four".