312342332324440 has 64 divisors (see below), whose sum is σ = 791389369912320. Its totient is φ = 109915190256000.

The previous prime is 312342332324437. The next prime is 312342332324543. The reversal of 312342332324440 is 44423233243213.

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

It is a junction number, because it is equal to n+sod(n) for n = 312342332324393 and 312342332324402.

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, 11449485346 + ... + 11449512625.

It is an arithmetic number, because the mean of its divisors is an integer number (12365458904880).

Almost surely, 2^{312342332324440} is an apocalyptic number.

It is an amenable number.

312342332324440 is an abundant number, since it is smaller than the sum of its proper divisors (479047037587880).

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

312342332324440 is a wasteful number, since it uses less digits than its factorization.

312342332324440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22898998024 (or 22898998020 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 312342332324440 its reverse (44423233243213), we get a palindrome (356765565567653).

The spelling of 312342332324440 in words is "three hundred twelve trillion, three hundred forty-two billion, three hundred thirty-two million, three hundred twenty-four thousand, four hundred forty".