26457142852 has 24 divisors (see below), whose sum is σ = 53508833280. Its totient is φ = 11211372480.

The previous prime is 26457142849. The next prime is 26457142853. The reversal of 26457142852 is 25824175462.

It is a super-2 number, since 2×26457142852² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26457142853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5305924 + ... + 5310907.

It is an arithmetic number, because the mean of its divisors is an integer number (2229534720).

Almost surely, 2^26457142852 is an apocalyptic number.

It is an amenable number.

26457142852 is an abundant number, since it is smaller than the sum of its proper divisors (27051690428).

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

26457142852 is a wasteful number, since it uses less digits than its factorization.

26457142852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616931 (or 10616929 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 46.

The spelling of 26457142852 in words is "twenty-six billion, four hundred fifty-seven million, one hundred forty-two thousand, eight hundred fifty-two".