318480240 has 80 divisors (see below), whose sum is σ = 1063244448. Its totient is φ = 78394368.

The previous prime is 318480191. The next prime is 318480269. The reversal of 318480240 is 42084813.

318480240 = T₇₁ + T₇₂ + ... + T₁₂₄₀.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 318480198 and 318480207.

It is a congruent number.

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, 47919 + ... + 54158.

Almost surely, 2^318480240 is an apocalyptic number.

318480240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

318480240 is an abundant number, since it is smaller than the sum of its proper divisors (744764208).

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

318480240 is a wasteful number, since it uses less digits than its factorization.

318480240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102106 (or 102100 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 318480240 is about 17846.0146811550. The cubic root of 318480240 is about 682.9058461804.

The spelling of 318480240 in words is "three hundred eighteen million, four hundred eighty thousand, two hundred forty".