264435300340164 has 36 divisors (see below), whose sum is σ = 672691215210924. Its totient is φ = 87583666352832.

The previous prime is 264435300340111. The next prime is 264435300340171. The reversal of 264435300340164 is 461043003534462.

It is a happy number.

264435300340164 is a `hidden beast` number, since 2 + 6 + 443 + 5 + 3 + 0 + 0 + 3 + 40 + 164 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119209711622400 + 145225588717764 = 10918320^2 + 12050958^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×264435300340164² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23393067627 + ... + 23393078930.

Almost surely, 2^{264435300340164} is an apocalyptic number.

It is an amenable number.

264435300340164 is an abundant number, since it is smaller than the sum of its proper divisors (408255914870760).

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

264435300340164 is a wasteful number, since it uses less digits than its factorization.

264435300340164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46786146724 (or 46786146719 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 264435300340164 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, three hundred million, three hundred forty thousand, one hundred sixty-four".