1315996444 has 24 divisors (see below), whose sum is σ = 2633573600. Its totient is φ = 563659776.

The previous prime is 1315996441. The next prime is 1315996447. The reversal of 1315996444 is 4446995131.

It is an interprime number because it is at equal distance from previous prime (1315996441) and next prime (1315996447).

It is a junction number, because it is equal to n+sod(n) for n = 1315996394 and 1315996403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315996441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36532 + ... + 62980.

Almost surely, 2^1315996444 is an apocalyptic number.

1315996444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1315996444 is an abundant number, since it is smaller than the sum of its proper divisors (1317577156).

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

1315996444 is a wasteful number, since it uses less digits than its factorization.

1315996444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28237 (or 28235 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 1315996444 is about 36276.6652822445. The cubic root of 1315996444 is about 1095.8511605916.

The spelling of 1315996444 in words is "one billion, three hundred fifteen million, nine hundred ninety-six thousand, four hundred forty-four".