26404551043 has 12 divisors (see below), whose sum is σ = 28936406520. Its totient is φ = 24079763136.

The previous prime is 26404551037. The next prime is 26404551083. The reversal of 26404551043 is 34015540462.

It is a de Polignac number, because none of the positive numbers 2^k-26404551043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26404551083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927178 + ... + 955231.

It is an arithmetic number, because the mean of its divisors is an integer number (2411367210).

Almost surely, 2^26404551043 is an apocalyptic number.

26404551043 is a deficient number, since it is larger than the sum of its proper divisors (2531855477).

26404551043 is a wasteful number, since it uses less digits than its factorization.

26404551043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882518 (or 1882505 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 26404551043 in words is "twenty-six billion, four hundred four million, five hundred fifty-one thousand, forty-three".