26220142804 has 24 divisors (see below), whose sum is σ = 48313913760. Its totient is φ = 12416557536.

The previous prime is 26220142783. The next prime is 26220142843. The reversal of 26220142804 is 40824102262.

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 7 ways as a sum of consecutive naturals, for example, 232539 + ... + 326365.

It is an arithmetic number, because the mean of its divisors is an integer number (2013079740).

Almost surely, 2^26220142804 is an apocalyptic number.

It is an amenable number.

26220142804 is a deficient number, since it is larger than the sum of its proper divisors (22093770956).

26220142804 is a wasteful number, since it uses less digits than its factorization.

26220142804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97527 (or 97525 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 26220142804 in words is "twenty-six billion, two hundred twenty million, one hundred forty-two thousand, eight hundred four".