26271490 has 32 divisors (see below), whose sum is σ = 56891520. Its totient is φ = 8532864.

The previous prime is 26271481. The next prime is 26271493. The reversal of 26271490 is 9417262.

It is not an unprimeable number, because it can be changed into a prime (26271493) 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, 8547 + ... + 11206.

It is an arithmetic number, because the mean of its divisors is an integer number (1777860).

Almost surely, 2^26271490 is an apocalyptic number.

26271490 is an abundant number, since it is smaller than the sum of its proper divisors (30620030).

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

26271490 is a wasteful number, since it uses less digits than its factorization.

26271490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19786.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 26271490 is about 5125.5721631833. The cubic root of 26271490 is about 297.2771770294.

The spelling of 26271490 in words is "twenty-six million, two hundred seventy-one thousand, four hundred ninety".