900042643664 has 20 divisors (see below), whose sum is σ = 1835613287040. Its totient is φ = 426335988960.

The previous prime is 900042643637. The next prime is 900042643673. The reversal of 900042643664 is 466346240009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480332992 + ... + 1480333599.

It is an arithmetic number, because the mean of its divisors is an integer number (91780664352).

Almost surely, 2^900042643664 is an apocalyptic number.

It is an amenable number.

900042643664 is an abundant number, since it is smaller than the sum of its proper divisors (935570643376).

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

900042643664 is a wasteful number, since it uses less digits than its factorization.

900042643664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960666618 (or 2960666612 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 900042643664 in words is "nine hundred billion, forty-two million, six hundred forty-three thousand, six hundred sixty-four".