1316288040 has 64 divisors (see below), whose sum is σ = 3952618560. Its totient is φ = 350676480.

The previous prime is 1316288011. The next prime is 1316288059. The reversal of 1316288040 is 408826131.

1316288040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1316288040² = 3465228408494083200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1316287992 and 1316288010.

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, 137820 + ... + 147060.

It is an arithmetic number, because the mean of its divisors is an integer number (61759665).

Almost surely, 2^1316288040 is an apocalyptic number.

1316288040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316288040 is an abundant number, since it is smaller than the sum of its proper divisors (2636330520).

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

1316288040 is a wasteful number, since it uses less digits than its factorization.

1316288040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442 (or 10438 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1316288040 is about 36280.6841170340. The cubic root of 1316288040 is about 1095.9320934893.

The spelling of 1316288040 in words is "one billion, three hundred sixteen million, two hundred eighty-eight thousand, forty".