244478660 has 12 divisors (see below), whose sum is σ = 513405228. Its totient is φ = 97791456.

The previous prime is 244478653. The next prime is 244478687. The reversal of 244478660 is 66874442.

It can be written as a sum of positive squares in 2 ways, for example, as 174187204 + 70291456 = 13198^2 + 8384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111947 + ... + 6111986.

It is an arithmetic number, because the mean of its divisors is an integer number (42783769).

Almost surely, 2^244478660 is an apocalyptic number.

244478660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244478660 is an abundant number, since it is smaller than the sum of its proper divisors (268926568).

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

244478660 is a wasteful number, since it uses less digits than its factorization.

244478660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223942 (or 12223940 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 244478660 is about 15635.8133782672. The cubic root of 244478660 is about 625.2883235042.

The spelling of 244478660 in words is "two hundred forty-four million, four hundred seventy-eight thousand, six hundred sixty".