316172242840 has 32 divisors (see below), whose sum is σ = 748828998000. Its totient is φ = 119812639104.

The previous prime is 316172242823. The next prime is 316172242843. The reversal of 316172242840 is 48242271613.

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 = 316172242793 and 316172242802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316172242843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208007295 + ... + 208008814.

Almost surely, 2^316172242840 is an apocalyptic number.

It is an amenable number.

316172242840 is an abundant number, since it is smaller than the sum of its proper divisors (432656755160).

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

316172242840 is a wasteful number, since it uses less digits than its factorization.

316172242840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416016139 (or 416016135 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 316172242840 in words is "three hundred sixteen billion, one hundred seventy-two million, two hundred forty-two thousand, eight hundred forty".