264655269480 has 256 divisors, whose sum is σ = 922414510080. Its totient is φ = 59498717184.

The previous prime is 264655269449. The next prime is 264655269553. The reversal of 264655269480 is 84962556462.

It is a self number, because there is not a number n which added to its sum of digits gives 264655269480.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13271277 + ... + 13291203.

It is an arithmetic number, because the mean of its divisors is an integer number (3603181680).

Almost surely, 2^264655269480 is an apocalyptic number.

264655269480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264655269480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461207255040).

264655269480 is an abundant number, since it is smaller than the sum of its proper divisors (657759240600).

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

264655269480 is a wasteful number, since it uses less digits than its factorization.

264655269480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208 (or 20204 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 57.

The spelling of 264655269480 in words is "two hundred sixty-four billion, six hundred fifty-five million, two hundred sixty-nine thousand, four hundred eighty".