312442040532552 has 64 divisors (see below), whose sum is σ = 894147811466880. Its totient is φ = 89123527729152.

The previous prime is 312442040532521. The next prime is 312442040532569. The reversal of 312442040532552 is 255235040244213.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1516841593 + ... + 1517047560.

It is an arithmetic number, because the mean of its divisors is an integer number (13971059554170).

Almost surely, 2^{312442040532552} is an apocalyptic number.

It is an amenable number.

312442040532552 is an abundant number, since it is smaller than the sum of its proper divisors (581705770934328).

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

312442040532552 is a wasteful number, since it uses less digits than its factorization.

312442040532552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033889782 (or 3033889778 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 312442040532552 its reverse (255235040244213), we get a palindrome (567677080776765).

The spelling of 312442040532552 in words is "three hundred twelve trillion, four hundred forty-two billion, forty million, five hundred thirty-two thousand, five hundred fifty-two".