26000040 has 64 divisors (see below), whose sum is σ = 85095360. Its totient is φ = 6302720.

The previous prime is 26000033. The next prime is 26000047. The reversal of 26000040 is 4000062.

It is an interprime number because it is at equal distance from previous prime (26000033) and next prime (26000047).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26000047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8529 + ... + 11168.

It is an arithmetic number, because the mean of its divisors is an integer number (1329615).

Almost surely, 2^26000040 is an apocalyptic number.

26000040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26000040 is an abundant number, since it is smaller than the sum of its proper divisors (59095320).

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

26000040 is a wasteful number, since it uses less digits than its factorization.

26000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19722 (or 19718 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 26000040 is about 5099.0234359140. The cubic root of 26000040 is about 296.2497587635.

The spelling of 26000040 in words is "twenty-six million, forty", and thus it is an aban number and an uban number.