264403634332305 has 48 divisors (see below), whose sum is σ = 458095676653440. Its totient is φ = 130166622802944.

The previous prime is 264403634332283. The next prime is 264403634332309. The reversal of 264403634332305 is 503233436304462.

It is not a de Polignac number, because 264403634332305 - 2⁶ = 264403634332241 is a prime.

It is a super-2 number, since 2×264403634332305² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264403634332309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278474937 + ... + 279422793.

It is an arithmetic number, because the mean of its divisors is an integer number (9543659930280).

Almost surely, 2^{264403634332305} is an apocalyptic number.

It is an amenable number.

264403634332305 is a deficient number, since it is larger than the sum of its proper divisors (193692042321135).

264403634332305 is a wasteful number, since it uses less digits than its factorization.

264403634332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057930 (or 1057917 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 48.

The spelling of 264403634332305 in words is "two hundred sixty-four trillion, four hundred three billion, six hundred thirty-four million, three hundred thirty-two thousand, three hundred five".