26490492 has 72 divisors (see below), whose sum is σ = 79020032. Its totient is φ = 7322400.

The previous prime is 26490487. The next prime is 26490493. The reversal of 26490492 is 29409462.

26490492 is a `hidden beast` number, since 2 + 649 + 0 + 4 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26490493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6117 + ... + 9507.

Almost surely, 2^26490492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26490492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39510016).

26490492 is an abundant number, since it is smaller than the sum of its proper divisors (52529540).

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

26490492 is a wasteful number, since it uses less digits than its factorization.

26490492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439 (or 3434 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 26490492 is about 5146.8914890446. The cubic root of 26490492 is about 298.1009372348.

The spelling of 26490492 in words is "twenty-six million, four hundred ninety thousand, four hundred ninety-two".