264435311625655 has 16 divisors (see below), whose sum is σ = 331126853819904. Its totient is φ = 202345699105440.

The previous prime is 264435311625629. The next prime is 264435311625703. The reversal of 264435311625655 is 556526113534462.

It is not a de Polignac number, because 264435311625655 - 2²⁷ = 264435177407927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264435311625655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22401411 + ... + 32104420.

It is an arithmetic number, because the mean of its divisors is an integer number (20695428363744).

Almost surely, 2^{264435311625655} is an apocalyptic number.

264435311625655 is a deficient number, since it is larger than the sum of its proper divisors (66691542194249).

264435311625655 is a wasteful number, since it uses less digits than its factorization.

264435311625655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54548046.

The product of its digits is 77760000, while the sum is 58.

The spelling of 264435311625655 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, three hundred eleven million, six hundred twenty-five thousand, six hundred fifty-five".