264220980 has 24 divisors (see below), whose sum is σ = 739818912. Its totient is φ = 70458912.

The previous prime is 264220937. The next prime is 264220991. The reversal of 264220980 is 89022462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201782 + ... + 2201901.

It is an arithmetic number, because the mean of its divisors is an integer number (30825788).

Almost surely, 2^264220980 is an apocalyptic number.

264220980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264220980 is an abundant number, since it is smaller than the sum of its proper divisors (475597932).

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

264220980 is a wasteful number, since it uses less digits than its factorization.

264220980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403695 (or 4403693 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 264220980 is about 16254.8755762694. The cubic root of 264220980 is about 641.6858062168.

The spelling of 264220980 in words is "two hundred sixty-four million, two hundred twenty thousand, nine hundred eighty".