231764262912 has 864 divisors, whose sum is σ = 879391199232. Its totient is φ = 57076088832.

The previous prime is 231764262907. The next prime is 231764262931. The reversal of 231764262912 is 219262467132.

231764262912 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 6 + 4 + 2 + 629 + 12 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1824915393 + ... + 1824915519.

It is an arithmetic number, because the mean of its divisors is an integer number (1017813888).

Almost surely, 2^231764262912 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 231764262912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439695599616).

231764262912 is an abundant number, since it is smaller than the sum of its proper divisors (647626936320).

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

231764262912 is a wasteful number, since it uses less digits than its factorization.

231764262912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 169 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 231764262912 in words is "two hundred thirty-one billion, seven hundred sixty-four million, two hundred sixty-two thousand, nine hundred twelve".