450866018340 has 60 divisors (see below), whose sum is σ = 1414383403356. Its totient is φ = 120230937792.

The previous prime is 450866018333. The next prime is 450866018353. The reversal of 450866018340 is 43810668054.

450866018340 is a `hidden beast` number, since 4 + 5 + 0 + 8 + 6 + 601 + 8 + 34 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 204627760164 + 246238258176 = 452358^2 + 496224^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139154559 + ... + 139157798.

Almost surely, 2^450866018340 is an apocalyptic number.

It is an amenable number.

450866018340 is an abundant number, since it is smaller than the sum of its proper divisors (963517385016).

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

450866018340 is a wasteful number, since it uses less digits than its factorization.

450866018340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278312378 (or 278312367 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 450866018340 in words is "four hundred fifty billion, eight hundred sixty-six million, eighteen thousand, three hundred forty".