26236636460 has 12 divisors (see below), whose sum is σ = 55096936608. Its totient is φ = 10494654576.

The previous prime is 26236636451. The next prime is 26236636493. The reversal of 26236636460 is 6463663262.

It is a super-2 number, since 2×26236636460² (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 3 ways as a sum of consecutive naturals, for example, 655915892 + ... + 655915931.

It is an arithmetic number, because the mean of its divisors is an integer number (4591411384).

Almost surely, 2^26236636460 is an apocalyptic number.

26236636460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26236636460 is an abundant number, since it is smaller than the sum of its proper divisors (28860300148).

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

26236636460 is a wasteful number, since it uses less digits than its factorization.

26236636460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311831832 (or 1311831830 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 26236636460 in words is "twenty-six billion, two hundred thirty-six million, six hundred thirty-six thousand, four hundred sixty".