26248591199828 has 12 divisors (see below), whose sum is σ = 45935521752372. Its totient is φ = 13124156413440.

The previous prime is 26248591199827. The next prime is 26248591199861. The reversal of 26248591199828 is 82899119584262.

It can be written as a sum of positive squares in 2 ways, for example, as 17473085526724 + 8775505673104 = 4180082^2 + 2962348^2 .

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26248591199827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34371725 + ... + 35127092.

It is an arithmetic number, because the mean of its divisors is an integer number (3827960146031).

Almost surely, 2^{26248591199828} is an apocalyptic number.

It is an amenable number.

26248591199828 is a deficient number, since it is larger than the sum of its proper divisors (19686930552544).

26248591199828 is a wasteful number, since it uses less digits than its factorization.

26248591199828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69593242 (or 69593240 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 74.

The spelling of 26248591199828 in words is "twenty-six trillion, two hundred forty-eight billion, five hundred ninety-one million, one hundred ninety-nine thousand, eight hundred twenty-eight".