450445461564 has 24 divisors (see below), whose sum is σ = 1201187897728. Its totient is φ = 128698703280.

The previous prime is 450445461559. The next prime is 450445461581. The reversal of 450445461564 is 465164544054.

It is a super-2 number, since 2×450445461564² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 2681222902 + ... + 2681223069.

Almost surely, 2^450445461564 is an apocalyptic number.

It is an amenable number.

450445461564 is an abundant number, since it is smaller than the sum of its proper divisors (750742436164).

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

450445461564 is a wasteful number, since it uses less digits than its factorization.

450445461564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362445985 (or 5362445983 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 450445461564 in words is "four hundred fifty billion, four hundred forty-five million, four hundred sixty-one thousand, five hundred sixty-four".