26261988 has 24 divisors (see below), whose sum is σ = 61394592. Its totient is φ = 8737344.

The previous prime is 26261987. The next prime is 26261999. The reversal of 26261988 is 88916262.

It is not an unprimeable number, because it can be changed into a prime (26261981) 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, 5631 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (2558108).

Almost surely, 2^26261988 is an apocalyptic number.

It is an amenable number.

26261988 is an abundant number, since it is smaller than the sum of its proper divisors (35132604).

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

26261988 is a wasteful number, since it uses less digits than its factorization.

26261988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4169 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 26261988 is about 5124.6451584476. The cubic root of 26261988 is about 297.2413324902.

The spelling of 26261988 in words is "twenty-six million, two hundred sixty-one thousand, nine hundred eighty-eight".