26449018550 has 24 divisors (see below), whose sum is σ = 50028996600. Its totient is φ = 10400290880.

The previous prime is 26449018549. The next prime is 26449018577. The reversal of 26449018550 is 5581094462.

26449018550 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4479935 + ... + 4485834.

It is an arithmetic number, because the mean of its divisors is an integer number (2084541525).

Almost surely, 2^26449018550 is an apocalyptic number.

26449018550 is a deficient number, since it is larger than the sum of its proper divisors (23579978050).

26449018550 is a wasteful number, since it uses less digits than its factorization.

26449018550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965840 (or 8965835 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 26449018550 in words is "twenty-six billion, four hundred forty-nine million, eighteen thousand, five hundred fifty".