264775435080 has 256 divisors, whose sum is σ = 890935718400. Its totient is φ = 62519869440.

The previous prime is 264775435079. The next prime is 264775435091. The reversal of 264775435080 is 80534577462.

It is a happy 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, 4065816 + ... + 4130424.

It is an arithmetic number, because the mean of its divisors is an integer number (3480217650).

Almost surely, 2^264775435080 is an apocalyptic number.

264775435080 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 264775435080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445467859200).

264775435080 is an abundant number, since it is smaller than the sum of its proper divisors (626160283320).

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

264775435080 is a wasteful number, since it uses less digits than its factorization.

264775435080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64744 (or 64740 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 264775435080 in words is "two hundred sixty-four billion, seven hundred seventy-five million, four hundred thirty-five thousand, eighty".