26273474500 has 192 divisors, whose sum is σ = 74779600896. Its totient is φ = 7825766400.

The previous prime is 26273474497. The next prime is 26273474509. The reversal of 26273474500 is 547437262.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26273474509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 756517 + ... + 790483.

It is an arithmetic number, because the mean of its divisors is an integer number (389477088).

Almost surely, 2^26273474500 is an apocalyptic number.

26273474500 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 26273474500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37389800448).

26273474500 is an abundant number, since it is smaller than the sum of its proper divisors (48506126396).

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

26273474500 is a wasteful number, since it uses less digits than its factorization.

26273474500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34023 (or 34011 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 26273474500 in words is "twenty-six billion, two hundred seventy-three million, four hundred seventy-four thousand, five hundred".