726656231124 has 72 divisors (see below), whose sum is σ = 1933721375040. Its totient is φ = 229444175232.

The previous prime is 726656231101. The next prime is 726656231137. The reversal of 726656231124 is 421132656627.

726656231124 is a `hidden beast` number, since 7 + 2 + 6 + 6 + 5 + 623 + 1 + 12 + 4 = 666.

It is a super-2 number, since 2×726656231124² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 726656231124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6440017 + ... + 6551879.

It is an arithmetic number, because the mean of its divisors is an integer number (26857241320).

Almost surely, 2^726656231124 is an apocalyptic number.

It is an amenable number.

726656231124 is an abundant number, since it is smaller than the sum of its proper divisors (1207065143916).

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

726656231124 is a wasteful number, since it uses less digits than its factorization.

726656231124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121389 (or 121384 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 726656231124 in words is "seven hundred twenty-six billion, six hundred fifty-six million, two hundred thirty-one thousand, one hundred twenty-four".