26056440 has 48 divisors (see below), whose sum is σ = 84684600. Its totient is φ = 6948288.

The previous prime is 26056423. The next prime is 26056451. The reversal of 26056440 is 4465062.

It is a happy number.

26056440 is a `hidden beast` number, since 2 + 60 + 564 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35830 + ... + 36549.

Almost surely, 2^26056440 is an apocalyptic number.

26056440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26056440 is an abundant number, since it is smaller than the sum of its proper divisors (58628160).

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

26056440 is a wasteful number, since it uses less digits than its factorization.

26056440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72396 (or 72389 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 26056440 is about 5104.5509107070. The cubic root of 26056440 is about 296.4638150936.

It can be divided in two parts, 2605 and 6440, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 26056440 in words is "twenty-six million, fifty-six thousand, four hundred forty".