26026440 has 64 divisors (see below), whose sum is σ = 85181760. Its totient is φ = 6309120.

The previous prime is 26026433. The next prime is 26026459. The reversal of 26026440 is 4462062.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 26026440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8539 + ... + 11178.

It is an arithmetic number, because the mean of its divisors is an integer number (1330965).

Almost surely, 2^26026440 is an apocalyptic number.

26026440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26026440 is an abundant number, since it is smaller than the sum of its proper divisors (59155320).

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

26026440 is a wasteful number, since it uses less digits than its factorization.

26026440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742 (or 19738 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 26026440 is about 5101.6115101015. The cubic root of 26026440 is about 296.3499938404.

The spelling of 26026440 in words is "twenty-six million, twenty-six thousand, four hundred forty".