989994030552 has 32 divisors (see below), whose sum is σ = 2749983418800. Its totient is φ = 329998010112.

The previous prime is 989994030551. The next prime is 989994030559. The reversal of 989994030552 is 255030499989.

989994030552 is a `hidden beast` number, since 9 + 8 + 9 + 9 + 9 + 40 + 30 + 552 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 989994030552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989994030551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291652633 + ... + 2291653064.

Almost surely, 2^989994030552 is an apocalyptic number.

It is an amenable number.

989994030552 is an abundant number, since it is smaller than the sum of its proper divisors (1759989388248).

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

989994030552 is a wasteful number, since it uses less digits than its factorization.

989994030552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583305712 (or 4583305702 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 63.

The spelling of 989994030552 in words is "nine hundred eighty-nine billion, nine hundred ninety-four million, thirty thousand, five hundred fifty-two".