26472985136 has 80 divisors (see below), whose sum is σ = 56425242720. Its totient is φ = 11958036480.

The previous prime is 26472985129. The next prime is 26472985159. The reversal of 26472985136 is 63158927462.

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, 1982450 + ... + 1995758.

It is an arithmetic number, because the mean of its divisors is an integer number (705315534).

Almost surely, 2^26472985136 is an apocalyptic number.

26472985136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26472985136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28212621360).

26472985136 is an abundant number, since it is smaller than the sum of its proper divisors (29952257584).

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

26472985136 is a wasteful number, since it uses less digits than its factorization.

26472985136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534 (or 13528 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 26472985136 in words is "twenty-six billion, four hundred seventy-two million, nine hundred eighty-five thousand, one hundred thirty-six".