26394769264 has 20 divisors (see below), whose sum is σ = 51215874256. Its totient is φ = 13177769472.

The previous prime is 26394769259. The next prime is 26394769267. The reversal of 26394769264 is 46296749362.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26394769199 and 26394769208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26394769267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214844 + ... + 1236379.

Almost surely, 2^26394769264 is an apocalyptic number.

It is an amenable number.

26394769264 is a deficient number, since it is larger than the sum of its proper divisors (24821104992).

26394769264 is a wasteful number, since it uses less digits than its factorization.

26394769264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451904 (or 2451898 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 58.

The spelling of 26394769264 in words is "twenty-six billion, three hundred ninety-four million, seven hundred sixty-nine thousand, two hundred sixty-four".