999132554332 has 96 divisors (see below), whose sum is σ = 2045961711360. Its totient is φ = 421900753920.

The previous prime is 999132554323. The next prime is 999132554419. The reversal of 999132554332 is 233455231999.

It is a super-2 number, since 2×999132554332² (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 31 ways as a sum of consecutive naturals, for example, 17959383 + ... + 18014929.

It is an arithmetic number, because the mean of its divisors is an integer number (21312101160).

Almost surely, 2^999132554332 is an apocalyptic number.

It is an amenable number.

999132554332 is an abundant number, since it is smaller than the sum of its proper divisors (1046829157028).

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

999132554332 is a wasteful number, since it uses less digits than its factorization.

999132554332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55891 (or 55889 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 55.

The spelling of 999132554332 in words is "nine hundred ninety-nine billion, one hundred thirty-two million, five hundred fifty-four thousand, three hundred thirty-two".