264611262320 has 20 divisors (see below), whose sum is σ = 615221185080. Its totient is φ = 105844504896.

The previous prime is 264611262287. The next prime is 264611262361. The reversal of 264611262320 is 23262116462.

It is a tau number, because it is divible by the number of its divisors (20).

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, 1653820310 + ... + 1653820469.

It is an arithmetic number, because the mean of its divisors is an integer number (30761059254).

Almost surely, 2^264611262320 is an apocalyptic number.

264611262320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264611262320 is an abundant number, since it is smaller than the sum of its proper divisors (350609922760).

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

264611262320 is a wasteful number, since it uses less digits than its factorization.

264611262320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307640792 (or 3307640786 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 264611262320 its reverse (23262116462), we get a palindrome (287873378782).

The spelling of 264611262320 in words is "two hundred sixty-four billion, six hundred eleven million, two hundred sixty-two thousand, three hundred twenty".