312040468 has 24 divisors (see below), whose sum is σ = 557306568. Its totient is φ = 152820096.

The previous prime is 312040459. The next prime is 312040489. The reversal of 312040468 is 864040213.

It can be written as a sum of positive squares in 4 ways, for example, as 59166864 + 252873604 = 7692^2 + 15902^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214030 + ... + 215482.

It is an arithmetic number, because the mean of its divisors is an integer number (23221107).

Almost surely, 2^312040468 is an apocalyptic number.

It is an amenable number.

312040468 is a deficient number, since it is larger than the sum of its proper divisors (245266100).

312040468 is a wasteful number, since it uses less digits than its factorization.

312040468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 312040468 is about 17664.6672201884. The cubic root of 312040468 is about 678.2716111694.

The spelling of 312040468 in words is "three hundred twelve million, forty thousand, four hundred sixty-eight".