26626442260 has 24 divisors (see below), whose sum is σ = 60998759136. Its totient is φ = 9682342560.

The previous prime is 26626442251. The next prime is 26626442263. The reversal of 26626442260 is 6224462662.

It is a happy number.

It is a super-2 number, since 2×26626442260² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26626442263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60514422 + ... + 60514861.

It is an arithmetic number, because the mean of its divisors is an integer number (2541614964).

Almost surely, 2^26626442260 is an apocalyptic number.

26626442260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26626442260 is an abundant number, since it is smaller than the sum of its proper divisors (34372316876).

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

26626442260 is a wasteful number, since it uses less digits than its factorization.

26626442260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121029303 (or 121029301 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 26626442260 in words is "twenty-six billion, six hundred twenty-six million, four hundred forty-two thousand, two hundred sixty".