244415664 has 160 divisors (see below), whose sum is σ = 775664640. Its totient is φ = 73294848.

The previous prime is 244415629. The next prime is 244415669. The reversal of 244415664 is 466514442.

244415664 is a `hidden beast` number, since 2 + 444 + 156 + 64 = 666.

244415664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (244415669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168189 + ... + 169635.

It is an arithmetic number, because the mean of its divisors is an integer number (4847904).

Almost surely, 2^244415664 is an apocalyptic number.

244415664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244415664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387832320).

244415664 is an abundant number, since it is smaller than the sum of its proper divisors (531248976).

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

244415664 is a wasteful number, since it uses less digits than its factorization.

244415664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1492 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 244415664 is about 15633.7987706123. The cubic root of 244415664 is about 625.2346118673.

The spelling of 244415664 in words is "two hundred forty-four million, four hundred fifteen thousand, six hundred sixty-four".