26447052550 has 48 divisors (see below), whose sum is σ = 51365774880. Its totient is φ = 10111875840.

The previous prime is 26447052539. The next prime is 26447052551. The reversal of 26447052550 is 5525074462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26447052551) 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 23 ways as a sum of consecutive naturals, for example, 1843204 + ... + 1857496.

It is an arithmetic number, because the mean of its divisors is an integer number (1070120310).

Almost surely, 2^26447052550 is an apocalyptic number.

26447052550 is a deficient number, since it is larger than the sum of its proper divisors (24918722330).

26447052550 is a wasteful number, since it uses less digits than its factorization.

26447052550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15937 (or 15932 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 26447052550 in words is "twenty-six billion, four hundred forty-seven million, fifty-two thousand, five hundred fifty".