28632686730132 has 24 divisors (see below), whose sum is σ = 66812822225856. Its totient is φ = 9543768930688.

The previous prime is 28632686730113. The next prime is 28632686730139. The reversal of 28632686730132 is 23103768623682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28632686730139) 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, 57238008 + ... + 57736079.

It is an arithmetic number, because the mean of its divisors is an integer number (2783867592744).

Almost surely, 2^{28632686730132} is an apocalyptic number.

It is an amenable number.

28632686730132 is an abundant number, since it is smaller than the sum of its proper divisors (38180135495724).

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

28632686730132 is a wasteful number, since it uses less digits than its factorization.

28632686730132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114994847 (or 114994845 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 28632686730132 in words is "twenty-eight trillion, six hundred thirty-two billion, six hundred eighty-six million, seven hundred thirty thousand, one hundred thirty-two".