26446506849 has 48 divisors (see below), whose sum is σ = 44708307072. Its totient is φ = 14749185024.

The previous prime is 26446506803. The next prime is 26446506851. The reversal of 26446506849 is 94860564462.

It is not a de Polignac number, because 26446506849 - 2¹⁷ = 26446375777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26446506795 and 26446506804.

It is not an unprimeable number, because it can be changed into a prime (26446006849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4323217 + ... + 4329329.

It is an arithmetic number, because the mean of its divisors is an integer number (931423064).

Almost surely, 2^26446506849 is an apocalyptic number.

It is an amenable number.

26446506849 is a deficient number, since it is larger than the sum of its proper divisors (18261800223).

26446506849 is a wasteful number, since it uses less digits than its factorization.

26446506849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766 (or 7763 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 26446506849 in words is "twenty-six billion, four hundred forty-six million, five hundred six thousand, eight hundred forty-nine".