44126649 has 12 divisors (see below), whose sum is σ = 72844096. Its totient is φ = 25215192.

The previous prime is 44126639. The next prime is 44126657. The reversal of 44126649 is 94662144.

44126649 is a `hidden beast` number, since 4 + 4 + 1 + 2 + 6 + 649 = 666.

It is not a de Polignac number, because 44126649 - 2²⁵ = 10572217 is a prime.

It is a super-2 number, since 2×44126649² = 3894322303938402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44126629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350149 + ... + 350274.

Almost surely, 2^44126649 is an apocalyptic number.

It is an amenable number.

44126649 is a deficient number, since it is larger than the sum of its proper divisors (28717447).

44126649 is a wasteful number, since it uses less digits than its factorization.

44126649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700436 (or 700433 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 44126649 is about 6642.7892485010. The cubic root of 44126649 is about 353.3732326091.

The spelling of 44126649 in words is "forty-four million, one hundred twenty-six thousand, six hundred forty-nine".