26004140 has 24 divisors (see below), whose sum is σ = 54719280. Its totient is φ = 10380608.

The previous prime is 26004137. The next prime is 26004151. The reversal of 26004140 is 4140062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12194 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (2279970).

Almost surely, 2^26004140 is an apocalyptic number.

26004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26004140 is an abundant number, since it is smaller than the sum of its proper divisors (28715140).

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

26004140 is a wasteful number, since it uses less digits than its factorization.

26004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 26004140 is about 5099.4254578335. The cubic root of 26004140 is about 296.2653300238.

The spelling of 26004140 in words is "twenty-six million, four thousand, one hundred forty".