26404223445 has 24 divisors (see below), whose sum is σ = 47757206016. Its totient is φ = 13469980128.

The previous prime is 26404223393. The next prime is 26404223453. The reversal of 26404223445 is 54432240462.

26404223445 is a `hidden beast` number, since 2 + 640 + 4 + 2 + 2 + 3 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 26404223445 - 2⁷ = 26404223317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12754629 + ... + 12756698.

It is an arithmetic number, because the mean of its divisors is an integer number (1989883584).

Almost surely, 2^26404223445 is an apocalyptic number.

It is an amenable number.

26404223445 is a deficient number, since it is larger than the sum of its proper divisors (21352982571).

26404223445 is a wasteful number, since it uses less digits than its factorization.

26404223445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25511361 (or 25511358 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 26404223445 in words is "twenty-six billion, four hundred four million, two hundred twenty-three thousand, four hundred forty-five".