244440644 has 48 divisors (see below), whose sum is σ = 499903488. Its totient is φ = 102426528.

The previous prime is 244440641. The next prime is 244440649. The reversal of 244440644 is 446044442.

244440644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 244440644.

It is not an unprimeable number, because it can be changed into a prime (244440641) 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, 248177 + ... + 249159.

It is an arithmetic number, because the mean of its divisors is an integer number (10414656).

Almost surely, 2^244440644 is an apocalyptic number.

It is an amenable number.

244440644 is an abundant number, since it is smaller than the sum of its proper divisors (255462844).

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

244440644 is a wasteful number, since it uses less digits than its factorization.

244440644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 244440644 is about 15634.5976603173. The cubic root of 244440644 is about 625.2559114140.

The spelling of 244440644 in words is "two hundred forty-four million, four hundred forty thousand, six hundred forty-four".