12040256264 has 8 divisors (see below), whose sum is σ = 22575480510. Its totient is φ = 6020128128.

The previous prime is 12040256251. The next prime is 12040256297. The reversal of 12040256264 is 46265204021.

It can be written as a sum of positive squares in only one way, i.e., 7130451364 + 4909804900 = 84442^2 + 70070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12040256264.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752516009 + ... + 752516024.

Almost surely, 2^12040256264 is an apocalyptic number.

It is an amenable number.

12040256264 is a deficient number, since it is larger than the sum of its proper divisors (10535224246).

12040256264 is a wasteful number, since it uses less digits than its factorization.

12040256264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505032039 (or 1505032035 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 12040256264 in words is "twelve billion, forty million, two hundred fifty-six thousand, two hundred sixty-four".