244112640 has 144 divisors (see below), whose sum is σ = 786662016. Its totient is φ = 64512000.

The previous prime is 244112623. The next prime is 244112663. The reversal of 244112640 is 46211442.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 244112640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579630 + ... + 580050.

Almost surely, 2^244112640 is an apocalyptic number.

244112640 is a gapful number since it is divisible by the number (20) 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 244112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393331008).

244112640 is an abundant number, since it is smaller than the sum of its proper divisors (542549376).

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

244112640 is a wasteful number, since it uses less digits than its factorization.

244112640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 244112640 is about 15624.1044543359. The cubic root of 244112640 is about 624.9761185542.

The spelling of 244112640 in words is "two hundred forty-four million, one hundred twelve thousand, six hundred forty".