318004144272 has 30 divisors (see below), whose sum is σ = 889969931942. Its totient is φ = 106001381376.

The previous prime is 318004144259. The next prime is 318004144291. The reversal of 318004144272 is 272441400813.

318004144272 is a `hidden beast` number, since 31 + 80 + 0 + 41 + 442 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 199830456576 + 118173687696 = 447024^2 + 343764^2 .

It is a super-2 number, since 2×318004144272² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1104180913 + ... + 1104181200.

Almost surely, 2^318004144272 is an apocalyptic number.

It is an amenable number.

318004144272 is an abundant number, since it is smaller than the sum of its proper divisors (571965787670).

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

318004144272 is a wasteful number, since it uses less digits than its factorization.

318004144272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208362127 (or 2208362118 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 318004144272 in words is "three hundred eighteen billion, four million, one hundred forty-four thousand, two hundred seventy-two".