312440296360 has 128 divisors (see below), whose sum is σ = 727652782080. Its totient is φ = 120668030208.

The previous prime is 312440296349. The next prime is 312440296361. The reversal of 312440296360 is 63692044213.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (312440296361) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 175232029 + ... + 175233811.

It is an arithmetic number, because the mean of its divisors is an integer number (5684787360).

Almost surely, 2^312440296360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312440296360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363826391040).

312440296360 is an abundant number, since it is smaller than the sum of its proper divisors (415212485720).

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

312440296360 is a wasteful number, since it uses less digits than its factorization.

312440296360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 312440296360 in words is "three hundred twelve billion, four hundred forty million, two hundred ninety-six thousand, three hundred sixty".