26004428260 has 12 divisors (see below), whose sum is σ = 54609299388. Its totient is φ = 10401771296.

The previous prime is 26004428251. The next prime is 26004428269. The reversal of 26004428260 is 6282440062.

It is an interprime number because it is at equal distance from previous prime (26004428251) and next prime (26004428269).

It can be written as a sum of positive squares in 2 ways, for example, as 13350878116 + 12653550144 = 115546^2 + 112488^2 .

It is not an unprimeable number, because it can be changed into a prime (26004428269) 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, 650110687 + ... + 650110726.

It is an arithmetic number, because the mean of its divisors is an integer number (4550774949).

Almost surely, 2^26004428260 is an apocalyptic number.

26004428260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26004428260 is an abundant number, since it is smaller than the sum of its proper divisors (28604871128).

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

26004428260 is a wasteful number, since it uses less digits than its factorization.

26004428260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300221422 (or 1300221420 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 26004428260 in words is "twenty-six billion, four million, four hundred twenty-eight thousand, two hundred sixty".