315127063840 has 48 divisors (see below), whose sum is σ = 756692427960. Its totient is φ = 123984414720.

The previous prime is 315127063831. The next prime is 315127063873. The reversal of 315127063840 is 48360721513.

It can be written as a sum of positive squares in 4 ways, for example, as 181636211344 + 133490852496 = 426188^2 + 365364^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 315127063793 and 315127063802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16134045 + ... + 16153564.

Almost surely, 2^315127063840 is an apocalyptic number.

It is an amenable number.

315127063840 is an abundant number, since it is smaller than the sum of its proper divisors (441565364120).

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

315127063840 is a wasteful number, since it uses less digits than its factorization.

315127063840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32287685 (or 32287677 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 315127063840 in words is "three hundred fifteen billion, one hundred twenty-seven million, sixty-three thousand, eight hundred forty".