312707004440 has 64 divisors (see below), whose sum is σ = 722969832960. Its totient is φ = 121670294400.

The previous prime is 312707004439. The next prime is 312707004451. The reversal of 312707004440 is 44400707213.

It is a junction number, because it is equal to n+sod(n) for n = 312707004397 and 312707004406.

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, 203786 + ... + 816665.

It is an arithmetic number, because the mean of its divisors is an integer number (11296403640).

Almost surely, 2^312707004440 is an apocalyptic number.

It is an amenable number.

312707004440 is an abundant number, since it is smaller than the sum of its proper divisors (410262828520).

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

312707004440 is a wasteful number, since it uses less digits than its factorization.

312707004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020672 (or 1020668 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 312707004440 in words is "three hundred twelve billion, seven hundred seven million, four thousand, four hundred forty".