26444470986 has 12 divisors (see below), whose sum is σ = 57296353842. Its totient is φ = 8814823656.

The previous prime is 26444470973. The next prime is 26444470991. The reversal of 26444470986 is 68907444462.

It can be written as a sum of positive squares in only one way, i.e., 19521398961 + 6923072025 = 139719^2 + 83205^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734568621 + ... + 734568656.

Almost surely, 2^26444470986 is an apocalyptic number.

26444470986 is an abundant number, since it is smaller than the sum of its proper divisors (30851882856).

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

26444470986 is a wasteful number, since it uses less digits than its factorization.

26444470986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469137285 (or 1469137282 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 26444470986 in words is "twenty-six billion, four hundred forty-four million, four hundred seventy thousand, nine hundred eighty-six".