450791900391954 has 64 divisors (see below), whose sum is σ = 985846111129728. Its totient is φ = 136284482188800.

The previous prime is 450791900391953. The next prime is 450791900392007. The reversal of 450791900391954 is 459193009197054.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (450791900391953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48659022 + ... + 57177654.

It is an arithmetic number, because the mean of its divisors is an integer number (15403845486402).

Almost surely, 2^{450791900391954} is an apocalyptic number.

450791900391954 is an abundant number, since it is smaller than the sum of its proper divisors (535054210737774).

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

450791900391954 is a wasteful number, since it uses less digits than its factorization.

450791900391954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520523.

The product of its (nonzero) digits is 55112400, while the sum is 66.

The spelling of 450791900391954 in words is "four hundred fifty trillion, seven hundred ninety-one billion, nine hundred million, three hundred ninety-one thousand, nine hundred fifty-four".