312242340444 has 24 divisors (see below), whose sum is σ = 744066855168. Its totient is φ = 101866295280.

The previous prime is 312242340439. The next prime is 312242340461. The reversal of 312242340444 is 444043242213.

It is a congruent number.

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, 276810022 + ... + 276811149.

It is an arithmetic number, because the mean of its divisors is an integer number (31002785632).

Almost surely, 2^312242340444 is an apocalyptic number.

It is an amenable number.

312242340444 is an abundant number, since it is smaller than the sum of its proper divisors (431824514724).

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

312242340444 is a wasteful number, since it uses less digits than its factorization.

312242340444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553621225 (or 553621223 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 312242340444 its reverse (444043242213), we get a palindrome (756285582657).

The spelling of 312242340444 in words is "three hundred twelve billion, two hundred forty-two million, three hundred forty thousand, four hundred forty-four".