26666464260 has 48 divisors (see below), whose sum is σ = 76254748416. Its totient is φ = 6959757312.

The previous prime is 26666464259. The next prime is 26666464283. The reversal of 26666464260 is 6246466662.

It is a super-2 number, since 2×26666464260² (a number of 22 digits) contains 22 as substring.

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, 4725277 + ... + 4730916.

It is an arithmetic number, because the mean of its divisors is an integer number (1588640592).

Almost surely, 2^26666464260 is an apocalyptic number.

26666464260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26666464260 is an abundant number, since it is smaller than the sum of its proper divisors (49588284156).

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

26666464260 is a wasteful number, since it uses less digits than its factorization.

26666464260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456252 (or 9456250 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 26666464260 in words is "twenty-six billion, six hundred sixty-six million, four hundred sixty-four thousand, two hundred sixty".