312040440054 has 36 divisors (see below), whose sum is σ = 786469274604. Its totient is φ = 89154411192.

The previous prime is 312040439993. The next prime is 312040440071. The reversal of 312040440054 is 450044040213.

It is a happy number.

312040440054 is a `hidden beast` number, since 3 + 1 + 204 + 0 + 4 + 400 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 176892792 + ... + 176894555.

It is an arithmetic number, because the mean of its divisors is an integer number (21846368739).

Almost surely, 2^312040440054 is an apocalyptic number.

312040440054 is an abundant number, since it is smaller than the sum of its proper divisors (474428834550).

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

312040440054 is a wasteful number, since it uses less digits than its factorization.

312040440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353787369 (or 353787359 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 312040440054 its reverse (450044040213), we get a palindrome (762084480267).

The spelling of 312040440054 in words is "three hundred twelve billion, forty million, four hundred forty thousand, fifty-four".