264755137067320 has 256 divisors, whose sum is σ = 662161977792000. Its totient is φ = 94871197403136.

The previous prime is 264755137067297. The next prime is 264755137067353. The reversal of 264755137067320 is 23760731557462.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

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, 254947459 + ... + 255983821.

It is an arithmetic number, because the mean of its divisors is an integer number (2586570225750).

Almost surely, 2^{264755137067320} is an apocalyptic number.

264755137067320 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 264755137067320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331080988896000).

264755137067320 is an abundant number, since it is smaller than the sum of its proper divisors (397406840724680).

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

264755137067320 is a wasteful number, since it uses less digits than its factorization.

264755137067320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036662 (or 1036658 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 58.

The spelling of 264755137067320 in words is "two hundred sixty-four trillion, seven hundred fifty-five billion, one hundred thirty-seven million, sixty-seven thousand, three hundred twenty".