889940043488 has 24 divisors (see below), whose sum is σ = 1752155434008. Its totient is φ = 444948187264.

The previous prime is 889940043437. The next prime is 889940043493. The reversal of 889940043488 is 884340049988.

It is a super-2 number, since 2×889940043488² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 9806 + ... + 1334157.

It is an arithmetic number, because the mean of its divisors is an integer number (73006476417).

Almost surely, 2^889940043488 is an apocalyptic number.

It is an amenable number.

889940043488 is a deficient number, since it is larger than the sum of its proper divisors (862215390520).

889940043488 is a wasteful number, since it uses less digits than its factorization.

889940043488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364666 (or 1364658 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 65.

The spelling of 889940043488 in words is "eight hundred eighty-nine billion, nine hundred forty million, forty-three thousand, four hundred eighty-eight".