312463240 has 32 divisors (see below), whose sum is σ = 704067480. Its totient is φ = 124803072.

The previous prime is 312463231. The next prime is 312463259. The reversal of 312463240 is 42364213.

It can be written as a sum of positive squares in 4 ways, for example, as 260305956 + 52157284 = 16134^2 + 7222^2 .

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, 23992 + ... + 34648.

Almost surely, 2^312463240 is an apocalyptic number.

It is an amenable number.

312463240 is an abundant number, since it is smaller than the sum of its proper divisors (391604240).

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

312463240 is a wasteful number, since it uses less digits than its factorization.

312463240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401 (or 11397 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 312463240 is about 17676.6297692745. The cubic root of 312463240 is about 678.5777945742.

The spelling of 312463240 in words is "three hundred twelve million, four hundred sixty-three thousand, two hundred forty".