44640768 has 40 divisors (see below), whose sum is σ = 118929888. Its totient is φ = 14879744.

The previous prime is 44640749. The next prime is 44640781. The reversal of 44640768 is 86704644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12996 + ... + 16067.

Almost surely, 2^44640768 is an apocalyptic number.

44640768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

44640768 is an abundant number, since it is smaller than the sum of its proper divisors (74289120).

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

44640768 is an equidigital number, since it uses as much as digits as its factorization.

44640768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29084 (or 29068 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 44640768 is about 6681.3747088455. The cubic root of 44640768 is about 354.7403192494.

It can be divided in two parts, 446 and 40768, that added together give a palindrome (41214).

The spelling of 44640768 in words is "forty-four million, six hundred forty thousand, seven hundred sixty-eight".