450815038278 has 48 divisors (see below), whose sum is σ = 992665633008. Its totient is φ = 136387627200.

The previous prime is 450815038277. The next prime is 450815038357. The reversal of 450815038278 is 872830518054.

It is a self number, because there is not a number n which added to its sum of digits gives 450815038278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450815038273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61453 + ... + 951528.

It is an arithmetic number, because the mean of its divisors is an integer number (20680534021).

Almost surely, 2^450815038278 is an apocalyptic number.

450815038278 is an abundant number, since it is smaller than the sum of its proper divisors (541850594730).

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

450815038278 is a wasteful number, since it uses less digits than its factorization.

450815038278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013621 (or 1013610 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 450815038278 in words is "four hundred fifty billion, eight hundred fifteen million, thirty-eight thousand, two hundred seventy-eight".