10889445472 has 48 divisors (see below), whose sum is σ = 22709982960. Its totient is φ = 5122121728.

The previous prime is 10889445443. The next prime is 10889445493. The reversal of 10889445472 is 27454498801.

It is a super-2 number, since 2×10889445472² (a number of 21 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, 2053128 + ... + 2058424.

It is an arithmetic number, because the mean of its divisors is an integer number (473124645).

Almost surely, 2^10889445472 is an apocalyptic number.

It is an amenable number.

10889445472 is an abundant number, since it is smaller than the sum of its proper divisors (11820537488).

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

10889445472 is a wasteful number, since it uses less digits than its factorization.

10889445472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103 (or 9095 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 10889445472 in words is "ten billion, eight hundred eighty-nine million, four hundred forty-five thousand, four hundred seventy-two".