450242521642264 has 128 divisors (see below), whose sum is σ = 936830980008000. Its totient is φ = 201536019210240.

The previous prime is 450242521642237. The next prime is 450242521642279. The reversal of 450242521642264 is 462246125242054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5874043812 + ... + 5874120460.

Almost surely, 2^{450242521642264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450242521642264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468415490004000).

450242521642264 is an abundant number, since it is smaller than the sum of its proper divisors (486588458365736).

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

450242521642264 is a wasteful number, since it uses less digits than its factorization.

450242521642264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84845 (or 84841 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 49.

The spelling of 450242521642264 in words is "four hundred fifty trillion, two hundred forty-two billion, five hundred twenty-one million, six hundred forty-two thousand, two hundred sixty-four".