26622503660 has 12 divisors (see below), whose sum is σ = 55907257728. Its totient is φ = 10649001456.

The previous prime is 26622503653. The next prime is 26622503669. The reversal of 26622503660 is 6630522662.

It is a happy number.

It is a super-2 number, since 2×26622503660² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26622503669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665562572 + ... + 665562611.

It is an arithmetic number, because the mean of its divisors is an integer number (4658938144).

Almost surely, 2^26622503660 is an apocalyptic number.

26622503660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26622503660 is an abundant number, since it is smaller than the sum of its proper divisors (29284754068).

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

26622503660 is a wasteful number, since it uses less digits than its factorization.

26622503660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331125192 (or 1331125190 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 26622503660 in words is "twenty-six billion, six hundred twenty-two million, five hundred three thousand, six hundred sixty".