450864490290 has 16 divisors (see below), whose sum is σ = 1082074776768. Its totient is φ = 120230530736.

The previous prime is 450864490277. The next prime is 450864490331. The reversal of 450864490290 is 92094468054.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 7514408142 + ... + 7514408201.

It is an arithmetic number, because the mean of its divisors is an integer number (67629673548).

Almost surely, 2^450864490290 is an apocalyptic number.

450864490290 is an abundant number, since it is smaller than the sum of its proper divisors (631210286478).

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

450864490290 is a wasteful number, since it uses less digits than its factorization.

450864490290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15028816353.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 450864490290 in words is "four hundred fifty billion, eight hundred sixty-four million, four hundred ninety thousand, two hundred ninety".