232638732126 has 64 divisors (see below), whose sum is σ = 529924239360. Its totient is φ = 75616040160.

The previous prime is 232638732071. The next prime is 232638732149. The reversal of 232638732126 is 621237836232.

232638732126 is a `hidden beast` number, since 2 + 3 + 2 + 638 + 7 + 3 + 2 + 1 + 2 + 6 = 666.

232638732126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 518680 + ... + 856916.

It is an arithmetic number, because the mean of its divisors is an integer number (8280066240).

Almost surely, 2^232638732126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232638732126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264962119680).

232638732126 is an abundant number, since it is smaller than the sum of its proper divisors (297285507234).

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

232638732126 is a wasteful number, since it uses less digits than its factorization.

232638732126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338566 (or 338560 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The spelling of 232638732126 in words is "two hundred thirty-two billion, six hundred thirty-eight million, seven hundred thirty-two thousand, one hundred twenty-six".