26284040 has 32 divisors (see below), whose sum is σ = 62619480. Its totient is φ = 9894912.

The previous prime is 26284039. The next prime is 26284043. The reversal of 26284040 is 4048262.

It can be written as a sum of positive squares in 4 ways, for example, as 18852964 + 7431076 = 4342^2 + 2726^2 .

It is not an unprimeable number, because it can be changed into a prime (26284043) 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, 18647 + ... + 20006.

Almost surely, 2^26284040 is an apocalyptic number.

26284040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26284040 is an abundant number, since it is smaller than the sum of its proper divisors (36335440).

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

26284040 is a wasteful number, since it uses less digits than its factorization.

26284040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38681 (or 38677 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 26284040 is about 5126.7962705768. The cubic root of 26284040 is about 297.3245063415.

The spelling of 26284040 in words is "twenty-six million, two hundred eighty-four thousand, forty".