26408040 has 64 divisors (see below), whose sum is σ = 79574400. Its totient is φ = 7011072.

The previous prime is 26408029. The next prime is 26408077. The reversal of 26408040 is 4080462.

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 26408040.

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, 42774 + ... + 43386.

It is an arithmetic number, because the mean of its divisors is an integer number (1243350).

Almost surely, 2^26408040 is an apocalyptic number.

26408040 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 26408040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39787200).

26408040 is an abundant number, since it is smaller than the sum of its proper divisors (53166360).

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

26408040 is a wasteful number, since it uses less digits than its factorization.

26408040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 26408040 is about 5138.8753633456. The cubic root of 26408040 is about 297.7913347870.

The spelling of 26408040 in words is "twenty-six million, four hundred eight thousand, forty".