26525474454 has 32 divisors (see below), whose sum is σ = 55595165184. Its totient is φ = 8421089600.

The previous prime is 26525474449. The next prime is 26525474461. The reversal of 26525474454 is 45447452562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380322 + ... + 444629.

It is an arithmetic number, because the mean of its divisors is an integer number (1737348912).

Almost surely, 2^26525474454 is an apocalyptic number.

26525474454 is an abundant number, since it is smaller than the sum of its proper divisors (29069690730).

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

26525474454 is a wasteful number, since it uses less digits than its factorization.

26525474454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825212.

The product of its digits is 5376000, while the sum is 48.

The spelling of 26525474454 in words is "twenty-six billion, five hundred twenty-five million, four hundred seventy-four thousand, four hundred fifty-four".