26440252 has 6 divisors (see below), whose sum is σ = 46270448. Its totient is φ = 13220124.

The previous prime is 26440247. The next prime is 26440261. The reversal of 26440252 is 25204462.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3305028 + ... + 3305035.

Almost surely, 2^26440252 is an apocalyptic number.

It is an amenable number.

26440252 is a deficient number, since it is larger than the sum of its proper divisors (19830196).

26440252 is a wasteful number, since it uses less digits than its factorization.

26440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610067 (or 6610065 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 26440252 is about 5142.0085569746. The cubic root of 26440252 is about 297.9123655651.

The spelling of 26440252 in words is "twenty-six million, four hundred forty thousand, two hundred fifty-two".