44064621 has 16 divisors (see below), whose sum is σ = 65534400. Its totient is φ = 29262384.

The previous prime is 44064613. The next prime is 44064649. The reversal of 44064621 is 12646044.

It is not a de Polignac number, because 44064621 - 2³ = 44064613 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 (44064611) 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, 4230 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (4095900).

Almost surely, 2^44064621 is an apocalyptic number.

It is an amenable number.

44064621 is a deficient number, since it is larger than the sum of its proper divisors (21469779).

44064621 is a wasteful number, since it uses less digits than its factorization.

44064621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345 (or 6339 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44064621 is about 6638.1187847160. The cubic root of 44064621 is about 353.2075782650.

The spelling of 44064621 in words is "forty-four million, sixty-four thousand, six hundred twenty-one".