26420002004660 has 48 divisors (see below), whose sum is σ = 64086165299520. Its totient is φ = 9042139722240.

The previous prime is 26420002004581. The next prime is 26420002004689. The reversal of 26420002004660 is 6640020002462.

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, 3532082090 + ... + 3532089569.

It is an arithmetic number, because the mean of its divisors is an integer number (1335128443740).

Almost surely, 2^{26420002004660} is an apocalyptic number.

26420002004660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26420002004660 is an abundant number, since it is smaller than the sum of its proper divisors (37666163294860).

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

26420002004660 is a wasteful number, since it uses less digits than its factorization.

26420002004660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064171696 (or 7064171694 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 26420002004660 in words is "twenty-six trillion, four hundred twenty billion, two million, four thousand, six hundred sixty".