232728551872 has 112 divisors (see below), whose sum is σ = 500986775520. Its totient is φ = 106838065152.

The previous prime is 232728551849. The next prime is 232728551903. The reversal of 232728551872 is 278155827232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43833954 + ... + 43839262.

It is an arithmetic number, because the mean of its divisors is an integer number (4473096210).

Almost surely, 2^232728551872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232728551872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250493387760).

232728551872 is an abundant number, since it is smaller than the sum of its proper divisors (268258223648).

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

232728551872 is a wasteful number, since it uses less digits than its factorization.

232728551872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318 (or 6308 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The spelling of 232728551872 in words is "two hundred thirty-two billion, seven hundred twenty-eight million, five hundred fifty-one thousand, eight hundred seventy-two".