264331641020264 has 8 divisors (see below), whose sum is σ = 495621826913010. Its totient is φ = 132165820510128.

The previous prime is 264331641020233. The next prime is 264331641020269. The reversal of 264331641020264 is 462020146133462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 253273156335364 + 11058484684900 = 15914558^2 + 3325430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (264331641020269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16520727563759 + ... + 16520727563774.

Almost surely, 2^{264331641020264} is an apocalyptic number.

It is an amenable number.

264331641020264 is a deficient number, since it is larger than the sum of its proper divisors (231290185892746).

264331641020264 is a wasteful number, since it uses less digits than its factorization.

264331641020264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33041455127539 (or 33041455127535 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 264331641020264 in words is "two hundred sixty-four trillion, three hundred thirty-one billion, six hundred forty-one million, twenty thousand, two hundred sixty-four".