264435115365564 has 48 divisors (see below), whose sum is σ = 724885071496320. Its totient is φ = 73967864437440.

The previous prime is 264435115365529. The next prime is 264435115365613. The reversal of 264435115365564 is 465563511534462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 264435115365498 and 264435115365507.

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, 77049857074 + ... + 77049860505.

It is an arithmetic number, because the mean of its divisors is an integer number (15101772322840).

Almost surely, 2^{264435115365564} is an apocalyptic number.

It is an amenable number.

264435115365564 is an abundant number, since it is smaller than the sum of its proper divisors (460449956130756).

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

264435115365564 is a wasteful number, since it uses less digits than its factorization.

264435115365564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154099717610 (or 154099717608 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 60.

The spelling of 264435115365564 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred fifteen million, three hundred sixty-five thousand, five hundred sixty-four".