1315496840 has 64 divisors (see below), whose sum is σ = 3499372800. Its totient is φ = 435472128.

The previous prime is 1315496837. The next prime is 1315496851. The reversal of 1315496840 is 486945131.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 72884 + ... + 89123.

It is an arithmetic number, because the mean of its divisors is an integer number (54677700).

Almost surely, 2^1315496840 is an apocalyptic number.

1315496840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315496840 is an abundant number, since it is smaller than the sum of its proper divisors (2183875960).

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

1315496840 is a wasteful number, since it uses less digits than its factorization.

1315496840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162054 (or 162050 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1315496840 is about 36269.7786042319. The cubic root of 1315496840 is about 1095.7124669745.

The spelling of 1315496840 in words is "one billion, three hundred fifteen million, four hundred ninety-six thousand, eight hundred forty".