26083398740 has 144 divisors (see below), whose sum is σ = 67523057280. Its totient is φ = 8415187200.

The previous prime is 26083398709. The next prime is 26083398799. The reversal of 26083398740 is 4789338062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2806982 + ... + 2816258.

It is an arithmetic number, because the mean of its divisors is an integer number (468910120).

Almost surely, 2^26083398740 is an apocalyptic number.

26083398740 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 26083398740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33761528640).

26083398740 is an abundant number, since it is smaller than the sum of its proper divisors (41439658540).

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

26083398740 is a wasteful number, since it uses less digits than its factorization.

26083398740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470 (or 9461 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 26083398740 in words is "twenty-six billion, eighty-three million, three hundred ninety-eight thousand, seven hundred forty".