244693680 has 160 divisors (see below), whose sum is σ = 945796608. Its totient is φ = 50841600.

The previous prime is 244693679. The next prime is 244693681. The reversal of 244693680 is 86396442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (244693679) and next prime (244693681).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (244693681) 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, 11860 + ... + 25100.

Almost surely, 2^244693680 is an apocalyptic number.

244693680 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 244693680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472898304).

244693680 is an abundant number, since it is smaller than the sum of its proper divisors (701102928).

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

244693680 is a wasteful number, since it uses less digits than its factorization.

244693680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275 (or 13269 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 244693680 is about 15642.6877485936. The cubic root of 244693680 is about 625.4715843503.

The spelling of 244693680 in words is "two hundred forty-four million, six hundred ninety-three thousand, six hundred eighty".