264365435142655 has 48 divisors (see below), whose sum is σ = 403350737215104. Its totient is φ = 164484127725120.

The previous prime is 264365435142647. The next prime is 264365435142701. The reversal of 264365435142655 is 556241534563462.

It is not a de Polignac number, because 264365435142655 - 2³ = 264365435142647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264365435142593 and 264365435142602.

It is a congruent number.

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, 92371377 + ... + 95190346.

It is an arithmetic number, because the mean of its divisors is an integer number (8403140358648).

Almost surely, 2^{264365435142655} is an apocalyptic number.

264365435142655 is a deficient number, since it is larger than the sum of its proper divisors (138985302072449).

264365435142655 is a wasteful number, since it uses less digits than its factorization.

264365435142655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187562276 (or 187562269 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 61.

The spelling of 264365435142655 in words is "two hundred sixty-four trillion, three hundred sixty-five billion, four hundred thirty-five million, one hundred forty-two thousand, six hundred fifty-five".