1316579244 has 12 divisors (see below), whose sum is σ = 3072018264. Its totient is φ = 438859744.

The previous prime is 1316579237. The next prime is 1316579261. The reversal of 1316579244 is 4429756131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1316579244² = 3466761811463223072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1316579196 and 1316579205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54857457 + ... + 54857480.

It is an arithmetic number, because the mean of its divisors is an integer number (256001522).

Almost surely, 2^1316579244 is an apocalyptic number.

It is an amenable number.

1316579244 is an abundant number, since it is smaller than the sum of its proper divisors (1755439020).

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

1316579244 is a wasteful number, since it uses less digits than its factorization.

1316579244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109714944 (or 109714942 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 1316579244 is about 36284.6971049780. The cubic root of 1316579244 is about 1096.0129056590.

The spelling of 1316579244 in words is "one billion, three hundred sixteen million, five hundred seventy-nine thousand, two hundred forty-four".