26014099840 has 128 divisors (see below), whose sum is σ = 63834855840. Its totient is φ = 10131456000.

The previous prime is 26014099829. The next prime is 26014099847. The reversal of 26014099840 is 4899041062.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26014099847) 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, 25478530 + ... + 25479550.

Almost surely, 2^26014099840 is an apocalyptic number.

26014099840 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 26014099840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31917427920).

26014099840 is an abundant number, since it is smaller than the sum of its proper divisors (37820756000).

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

26014099840 is a wasteful number, since it uses less digits than its factorization.

26014099840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 26014099840 in words is "twenty-six billion, fourteen million, ninety-nine thousand, eight hundred forty".