318750040 has 32 divisors (see below), whose sum is σ = 819643680. Its totient is φ = 109285632.

The previous prime is 318750007. The next prime is 318750053. The reversal of 318750040 is 40057813.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 318749990 and 318750008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568917 + ... + 569476.

It is an arithmetic number, because the mean of its divisors is an integer number (25613865).

Almost surely, 2^318750040 is an apocalyptic number.

It is an amenable number.

318750040 is an abundant number, since it is smaller than the sum of its proper divisors (500893640).

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

318750040 is a wasteful number, since it uses less digits than its factorization.

318750040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138411 (or 1138407 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 318750040 is about 17853.5721915812. The cubic root of 318750040 is about 683.0986325977.

The spelling of 318750040 in words is "three hundred eighteen million, seven hundred fifty thousand, forty".