26032440 has 128 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 5597184.

The previous prime is 26032403. The next prime is 26032463. The reversal of 26032440 is 4423062.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13369 + ... + 15191.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^26032440 is an apocalyptic number.

26032440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26032440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47278080).

26032440 is an abundant number, since it is smaller than the sum of its proper divisors (68523720).

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

26032440 is a wasteful number, since it uses less digits than its factorization.

26032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 26032440 is about 5102.1995256948. The cubic root of 26032440 is about 296.3727650856.

The spelling of 26032440 in words is "twenty-six million, thirty-two thousand, four hundred forty".