44640460 has 12 divisors (see below), whose sum is σ = 93745008. Its totient is φ = 17856176.

The previous prime is 44640457. The next prime is 44640461. The reversal of 44640460 is 6404644.

It is not an unprimeable number, because it can be changed into a prime (44640461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115992 + ... + 1116031.

It is an arithmetic number, because the mean of its divisors is an integer number (7812084).

Almost surely, 2^44640460 is an apocalyptic number.

It is an amenable number.

44640460 is an abundant number, since it is smaller than the sum of its proper divisors (49104548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44640460 is a wasteful number, since it uses less digits than its factorization.

44640460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232032 (or 2232030 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 44640460 is about 6681.3516596569. The cubic root of 44640460 is about 354.7395034012.

It can be divided in two parts, 4 and 4640460, that added together give a palindrome (4640464).

The spelling of 44640460 in words is "forty-four million, six hundred forty thousand, four hundred sixty".