266204444260 has 24 divisors (see below), whose sum is σ = 559399369536. Its totient is φ = 106411294560.

The previous prime is 266204444251. The next prime is 266204444329. The reversal of 266204444260 is 62444402662.

It is a super-2 number, since 2×266204444260² (a number of 24 digits) contains 22 as substring.

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, 4374222 + ... + 4434661.

It is an arithmetic number, because the mean of its divisors is an integer number (23308307064).

Almost surely, 2^266204444260 is an apocalyptic number.

266204444260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266204444260 is an abundant number, since it is smaller than the sum of its proper divisors (293194925276).

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

266204444260 is a wasteful number, since it uses less digits than its factorization.

266204444260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810403 (or 8810401 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 266204444260 in words is "two hundred sixty-six billion, two hundred four million, four hundred forty-four thousand, two hundred sixty".