44423613 has 32 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 26915328.

The previous prime is 44423581. The next prime is 44423627. The reversal of 44423613 is 31632444.

44423613 is a `hidden beast` number, since 4 + 4 + 42 + 3 + 613 = 666.

It is not a de Polignac number, because 44423613 - 2⁵ = 44423581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44423663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22573 + ... + 24461.

It is an arithmetic number, because the mean of its divisors is an integer number (2249100).

Almost surely, 2^44423613 is an apocalyptic number.

It is an amenable number.

44423613 is a deficient number, since it is larger than the sum of its proper divisors (27547587).

44423613 is a wasteful number, since it uses less digits than its factorization.

44423613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1972 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 44423613 is about 6665.1041252181. The cubic root of 44423613 is about 354.1641726299.

The spelling of 44423613 in words is "forty-four million, four hundred twenty-three thousand, six hundred thirteen".