1316979448 has 64 divisors (see below), whose sum is σ = 2671257600. Its totient is φ = 606925440.

The previous prime is 1316979437. The next prime is 1316979451. The reversal of 1316979448 is 8449796131.

It is a junction number, because it is equal to n+sod(n) for n = 1316979395 and 1316979404.

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, 2127283 + ... + 2127901.

It is an arithmetic number, because the mean of its divisors is an integer number (41738400).

Almost surely, 2^1316979448 is an apocalyptic number.

It is an amenable number.

1316979448 is an abundant number, since it is smaller than the sum of its proper divisors (1354278152).

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

1316979448 is a wasteful number, since it uses less digits than its factorization.

1316979448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1048 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 1316979448 is about 36290.2114625969. The cubic root of 1316979448 is about 1096.1239470351.

The spelling of 1316979448 in words is "one billion, three hundred sixteen million, nine hundred seventy-nine thousand, four hundred forty-eight".