26870040 has 96 divisors (see below), whose sum is σ = 88311600. Its totient is φ = 7084800.

The previous prime is 26870027. The next prime is 26870083. The reversal of 26870040 is 4007862.

It is a junction number, because it is equal to n+sod(n) for n = 26869986 and 26870013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35991 + ... + 36729.

Almost surely, 2^26870040 is an apocalyptic number.

26870040 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 26870040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44155800).

26870040 is an abundant number, since it is smaller than the sum of its proper divisors (61441560).

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

26870040 is a wasteful number, since it uses less digits than its factorization.

26870040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 26870040 is about 5183.6319313778. The cubic root of 26870040 is about 299.5178923223.

The spelling of 26870040 in words is "twenty-six million, eight hundred seventy thousand, forty".