26212440 has 32 divisors (see below), whose sum is σ = 78637680. Its totient is φ = 6989952.

The previous prime is 26212427. The next prime is 26212447. The reversal of 26212440 is 4421262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26212447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109099 + ... + 109338.

Almost surely, 2^26212440 is an apocalyptic number.

26212440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26212440 is an abundant number, since it is smaller than the sum of its proper divisors (52425240).

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

26212440 is a wasteful number, since it uses less digits than its factorization.

26212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218451 (or 218447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 26212440 is about 5119.8085901721. The cubic root of 26212440 is about 297.0542815908.

The spelling of 26212440 in words is "twenty-six million, two hundred twelve thousand, four hundred forty".