44790009 has 16 divisors (see below), whose sum is σ = 67252224. Its totient is φ = 26269200.

The previous prime is 44789989. The next prime is 44790023. The reversal of 44790009 is 90009744.

It is not a de Polignac number, because 44790009 - 2¹² = 44785913 is a prime.

It is a super-2 number, since 2×44790009² = 4012289812440162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44790029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20869 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (4203264).

Almost surely, 2^44790009 is an apocalyptic number.

It is an amenable number.

44790009 is a deficient number, since it is larger than the sum of its proper divisors (22462215).

44790009 is a wasteful number, since it uses less digits than its factorization.

44790009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43828.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 44790009 is about 6692.5338250920. The cubic root of 44790009 is about 355.1351968029.

The spelling of 44790009 in words is "forty-four million, seven hundred ninety thousand, nine".