26494923750 has 80 divisors (see below), whose sum is σ = 66268174896. Its totient is φ = 7059760000.

The previous prime is 26494923739. The next prime is 26494923809. The reversal of 26494923750 is 5732949462.

It is a junction number, because it is equal to n+sod(n) for n = 26494923693 and 26494923702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7396960 + ... + 7400540.

Almost surely, 2^26494923750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26494923750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33134087448).

26494923750 is an abundant number, since it is smaller than the sum of its proper divisors (39773251146).

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

26494923750 is a wasteful number, since it uses less digits than its factorization.

26494923750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579 (or 5564 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 26494923750 in words is "twenty-six billion, four hundred ninety-four million, nine hundred twenty-three thousand, seven hundred fifty".