12764240626 has 8 divisors (see below), whose sum is σ = 19361488860. Its totient is φ = 6310411008.

The previous prime is 12764240623. The next prime is 12764240651. The reversal of 12764240626 is 62604246721.

It can be written as a sum of positive squares in 2 ways, for example, as 11991345025 + 772895601 = 109505^2 + 27801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12764240623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35854431 + ... + 35854786.

Almost surely, 2^12764240626 is an apocalyptic number.

12764240626 is a deficient number, since it is larger than the sum of its proper divisors (6597248234).

12764240626 is an equidigital number, since it uses as much as digits as its factorization.

12764240626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71709308.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 12764240626 in words is "twelve billion, seven hundred sixty-four million, two hundred forty thousand, six hundred twenty-six".