361945312278 has 32 divisors (see below), whose sum is σ = 789902900352. Its totient is φ = 109652059200.

The previous prime is 361945312237. The next prime is 361945312279. The reversal of 361945312278 is 872213549163.

It is a self number, because there is not a number n which added to its sum of digits gives 361945312278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361945312279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450376 + ... + 962667.

It is an arithmetic number, because the mean of its divisors is an integer number (24684465636).

Almost surely, 2^361945312278 is an apocalyptic number.

361945312278 is an abundant number, since it is smaller than the sum of its proper divisors (427957588074).

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

361945312278 is a wasteful number, since it uses less digits than its factorization.

361945312278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416940.

The product of its digits is 2177280, while the sum is 51.

The spelling of 361945312278 in words is "three hundred sixty-one billion, nine hundred forty-five million, three hundred twelve thousand, two hundred seventy-eight".