26125266280 has 32 divisors (see below), whose sum is σ = 59587086600. Its totient is φ = 10306953216.

The previous prime is 26125266227. The next prime is 26125266283. The reversal of 26125266280 is 8266252162.

It can be written as a sum of positive squares in 4 ways, for example, as 21530866756 + 4594399524 = 146734^2 + 67782^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (26125266283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470585 + ... + 4476424.

Almost surely, 2^26125266280 is an apocalyptic number.

26125266280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26125266280 is an abundant number, since it is smaller than the sum of its proper divisors (33461820320).

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

26125266280 is a wasteful number, since it uses less digits than its factorization.

26125266280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947093 (or 8947089 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 26125266280 in words is "twenty-six billion, one hundred twenty-five million, two hundred sixty-six thousand, two hundred eighty".