26081490 has 32 divisors (see below), whose sum is σ = 65891520. Its totient is φ = 6588864.

The previous prime is 26081477. The next prime is 26081491. The reversal of 26081490 is 9418062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26081491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22309 + ... + 23448.

It is an arithmetic number, because the mean of its divisors is an integer number (2059110).

Almost surely, 2^26081490 is an apocalyptic number.

26081490 is an abundant number, since it is smaller than the sum of its proper divisors (39810030).

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

26081490 is a wasteful number, since it uses less digits than its factorization.

26081490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45786.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 26081490 is about 5107.0040140967. The cubic root of 26081490 is about 296.5587889271.

The spelling of 26081490 in words is "twenty-six million, eighty-one thousand, four hundred ninety".