49220644 has 48 divisors (see below), whose sum is σ = 103856256. Its totient is φ = 20134400.

The previous prime is 49220641. The next prime is 49220651. The reversal of 49220644 is 44602294.

It is not an unprimeable number, because it can be changed into a prime (49220641) 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, 15774 + ... + 18634.

It is an arithmetic number, because the mean of its divisors is an integer number (2163672).

Almost surely, 2^49220644 is an apocalyptic number.

49220644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49220644 is an abundant number, since it is smaller than the sum of its proper divisors (54635612).

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

49220644 is a wasteful number, since it uses less digits than its factorization.

49220644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2914 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 49220644 is about 7015.7425836472. The cubic root of 49220644 is about 366.4790029581.

The spelling of 49220644 in words is "forty-nine million, two hundred twenty thousand, six hundred forty-four".