26264565660 has 48 divisors (see below), whose sum is σ = 74576581632. Its totient is φ = 6905236800.

The previous prime is 26264565653. The next prime is 26264565713. The reversal of 26264565660 is 6656546262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3078436 + ... + 3086955.

It is an arithmetic number, because the mean of its divisors is an integer number (1553678784).

Almost surely, 2^26264565660 is an apocalyptic number.

26264565660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26264565660 is an abundant number, since it is smaller than the sum of its proper divisors (48312015972).

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

26264565660 is a wasteful number, since it uses less digits than its factorization.

26264565660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165474 (or 6165472 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 26264565660 in words is "twenty-six billion, two hundred sixty-four million, five hundred sixty-five thousand, six hundred sixty".