26039490 has 32 divisors (see below), whose sum is σ = 64186560. Its totient is φ = 6755904.

The previous prime is 26039479. The next prime is 26039491. The reversal of 26039490 is 9493062.

It is not an unprimeable number, because it can be changed into a prime (26039491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10620 + ... + 12839.

It is an arithmetic number, because the mean of its divisors is an integer number (2005830).

Almost surely, 2^26039490 is an apocalyptic number.

26039490 is an abundant number, since it is smaller than the sum of its proper divisors (38147070).

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

26039490 is a wasteful number, since it uses less digits than its factorization.

26039490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23506.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 26039490 is about 5102.8903574347. The cubic root of 26039490 is about 296.3995168282.

The spelling of 26039490 in words is "twenty-six million, thirty-nine thousand, four hundred ninety".