44809631 has 8 divisors (see below), whose sum is σ = 45460800. Its totient is φ = 44161920.

The previous prime is 44809613. The next prime is 44809643. The reversal of 44809631 is 13690844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44809631 - 2¹⁴ = 44793247 is a prime.

It is a super-2 number, since 2×44809631² = 4015806060712322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44809591 and 44809600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44809651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35786 + ... + 37016.

It is an arithmetic number, because the mean of its divisors is an integer number (5682600).

Almost surely, 2^44809631 is an apocalyptic number.

44809631 is a deficient number, since it is larger than the sum of its proper divisors (651169).

44809631 is a wasteful number, since it uses less digits than its factorization.

44809631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 44809631 is about 6693.9996265312. Note that the first 3 decimals coincide. The cubic root of 44809631 is about 355.1870494790.

The spelling of 44809631 in words is "forty-four million, eight hundred nine thousand, six hundred thirty-one".