26192266840 has 128 divisors (see below), whose sum is σ = 63050400000. Its totient is φ = 9763987968.

The previous prime is 26192266729. The next prime is 26192266861. The reversal of 26192266840 is 4866229162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17472411 + ... + 17473909.

It is an arithmetic number, because the mean of its divisors is an integer number (492581250).

Almost surely, 2^26192266840 is an apocalyptic number.

26192266840 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 26192266840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31525200000).

26192266840 is an abundant number, since it is smaller than the sum of its proper divisors (36858133160).

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

26192266840 is a wasteful number, since it uses less digits than its factorization.

26192266840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 26192266840 in words is "twenty-six billion, one hundred ninety-two million, two hundred sixty-six thousand, eight hundred forty".