9024945872 has 20 divisors (see below), whose sum is σ = 17958423876. Its totient is φ = 4390513920.

The previous prime is 9024945851. The next prime is 9024945877. The reversal of 9024945872 is 2785494209.

It can be written as a sum of positive squares in 2 ways, for example, as 7048609936 + 1976335936 = 83956^2 + 44456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9024945872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9024945877) by changing a digit.

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, 7621829 + ... + 7623012.

Almost surely, 2^9024945872 is an apocalyptic number.

It is an amenable number.

9024945872 is a deficient number, since it is larger than the sum of its proper divisors (8933478004).

9024945872 is a wasteful number, since it uses less digits than its factorization.

9024945872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244886 (or 15244880 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 9024945872 is about 94999.7151153623. The cubic root of 9024945872 is about 2082.0038836695.

The spelling of 9024945872 in words is "nine billion, twenty-four million, nine hundred forty-five thousand, eight hundred seventy-two".