264334561265240 has 16 divisors (see below), whose sum is σ = 594752762846880. Its totient is φ = 105733824506080.

The previous prime is 264334561265111. The next prime is 264334561265251. The reversal of 264334561265240 is 42562165433462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3304182015776 + ... + 3304182015855.

It is an arithmetic number, because the mean of its divisors is an integer number (37172047677930).

Almost surely, 2^{264334561265240} is an apocalyptic number.

264334561265240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264334561265240 is an abundant number, since it is smaller than the sum of its proper divisors (330418201581640).

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

264334561265240 is a wasteful number, since it uses less digits than its factorization.

264334561265240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608364031642 (or 6608364031638 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 264334561265240 in words is "two hundred sixty-four trillion, three hundred thirty-four billion, five hundred sixty-one million, two hundred sixty-five thousand, two hundred forty".