318865050 has 108 divisors (see below), whose sum is σ = 996619806. Its totient is φ = 72878400.

The previous prime is 318865037. The next prime is 318865069. The reversal of 318865050 is 50568813.

It can be written as a sum of positive squares in 3 ways, for example, as 149891049 + 168974001 = 12243^2 + 12999^2 .

It is a super-2 number, since 2×318865050² = 203349840223005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318864996 and 318865014.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14820 + ... + 29280.

Almost surely, 2^318865050 is an apocalyptic number.

318865050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 318865050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498309903).

318865050 is an abundant number, since it is smaller than the sum of its proper divisors (677754756).

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

318865050 is a wasteful number, since it uses less digits than its factorization.

318865050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14493 (or 14478 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 318865050 is about 17856.7928251408. The cubic root of 318865050 is about 683.1807802754.

The spelling of 318865050 in words is "three hundred eighteen million, eight hundred sixty-five thousand, fifty".