26706839040 has 480 divisors, whose sum is σ = 108193003776. Its totient is φ = 5960908800.

The previous prime is 26706839039. The next prime is 26706839053. The reversal of 26706839040 is 4093860762.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6933115 + ... + 6936965.

Almost surely, 2^26706839040 is an apocalyptic number.

26706839040 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 26706839040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54096501888).

26706839040 is an abundant number, since it is smaller than the sum of its proper divisors (81486164736).

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

26706839040 is a wasteful number, since it uses less digits than its factorization.

26706839040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 26706839040 in words is "twenty-six billion, seven hundred six million, eight hundred thirty-nine thousand, forty".