26263240 has 32 divisors (see below), whose sum is σ = 61663680. Its totient is φ = 10048192.

The previous prime is 26263213. The next prime is 26263253. The reversal of 26263240 is 4236262.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13354 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (1926990).

Almost surely, 2^26263240 is an apocalyptic number.

26263240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26263240 is an abundant number, since it is smaller than the sum of its proper divisors (35400440).

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

26263240 is a wasteful number, since it uses less digits than its factorization.

26263240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28581 (or 28577 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 26263240 is about 5124.7673117908. The cubic root of 26263240 is about 297.2460559234.

The spelling of 26263240 in words is "twenty-six million, two hundred sixty-three thousand, two hundred forty".