26200840 has 16 divisors (see below), whose sum is σ = 58951980. Its totient is φ = 10480320.

The previous prime is 26200789. The next prime is 26200843. The reversal of 26200840 is 4800262.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 252004 = 5094^2 + 502^2 .

It is not an unprimeable number, because it can be changed into a prime (26200843) 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, 327471 + ... + 327550.

Almost surely, 2^26200840 is an apocalyptic number.

26200840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26200840 is an abundant number, since it is smaller than the sum of its proper divisors (32751140).

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

26200840 is a wasteful number, since it uses less digits than its factorization.

26200840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655032 (or 655028 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 26200840 is about 5118.6756099601. The cubic root of 26200840 is about 297.0104558590.

The spelling of 26200840 in words is "twenty-six million, two hundred thousand, eight hundred forty".