26253490 has 8 divisors (see below), whose sum is σ = 47256300. Its totient is φ = 10501392.

The previous prime is 26253463. The next prime is 26253499. The reversal of 26253490 is 9435262.

It can be written as a sum of positive squares in 2 ways, for example, as 26020201 + 233289 = 5101^2 + 483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26253499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312665 + ... + 1312684.

Almost surely, 2^26253490 is an apocalyptic number.

26253490 is a deficient number, since it is larger than the sum of its proper divisors (21002810).

26253490 is a wasteful number, since it uses less digits than its factorization.

26253490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625356.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 26253490 is about 5123.8159607855. The cubic root of 26253490 is about 297.2092680308.

The spelling of 26253490 in words is "twenty-six million, two hundred fifty-three thousand, four hundred ninety".