26516424444 has 12 divisors (see below), whose sum is σ = 61871657064. Its totient is φ = 8838808144.

The previous prime is 26516424379. The next prime is 26516424449. The reversal of 26516424444 is 44442461562.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 26516424396 and 26516424405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26516424449) 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, 1104851007 + ... + 1104851030.

It is an arithmetic number, because the mean of its divisors is an integer number (5155971422).

Almost surely, 2^26516424444 is an apocalyptic number.

It is an amenable number.

26516424444 is an abundant number, since it is smaller than the sum of its proper divisors (35355232620).

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

26516424444 is a wasteful number, since it uses less digits than its factorization.

26516424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209702044 (or 2209702042 counting only the distinct ones).

The product of its digits is 737280, while the sum is 42.

The spelling of 26516424444 in words is "twenty-six billion, five hundred sixteen million, four hundred twenty-four thousand, four hundred forty-four".