26274062660 has 12 divisors (see below), whose sum is σ = 55175531628. Its totient is φ = 10509625056.

The previous prime is 26274062653. The next prime is 26274062681. The reversal of 26274062660 is 6626047262.

It can be written as a sum of positive squares in 2 ways, for example, as 16999987456 + 9274075204 = 130384^2 + 96302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656851547 + ... + 656851586.

It is an arithmetic number, because the mean of its divisors is an integer number (4597960969).

Almost surely, 2^26274062660 is an apocalyptic number.

26274062660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26274062660 is an abundant number, since it is smaller than the sum of its proper divisors (28901468968).

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

26274062660 is a wasteful number, since it uses less digits than its factorization.

26274062660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703142 (or 1313703140 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 26274062660 in words is "twenty-six billion, two hundred seventy-four million, sixty-two thousand, six hundred sixty".