244456040 has 32 divisors (see below), whose sum is σ = 564895080. Its totient is φ = 95139072.

The previous prime is 244456031. The next prime is 244456061. The reversal of 244456040 is 40654442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205692964 + 38763076 = 14342^2 + 6226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244455994 and 244456012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81107 + ... + 84066.

Almost surely, 2^244456040 is an apocalyptic number.

244456040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244456040 is an abundant number, since it is smaller than the sum of its proper divisors (320439040).

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

244456040 is a wasteful number, since it uses less digits than its factorization.

244456040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165221 (or 165217 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 244456040 is about 15635.0900221265. The cubic root of 244456040 is about 625.2690383061.

The spelling of 244456040 in words is "two hundred forty-four million, four hundred fifty-six thousand, forty".