26464343074 has 12 divisors (see below), whose sum is σ = 42984983826. Its totient is φ = 12214312032.

The previous prime is 26464343057. The next prime is 26464343111. The reversal of 26464343074 is 47034346462.

It can be written as a sum of positive squares in 3 ways, for example, as 21628114225 + 4836228849 = 147065^2 + 69543^2 .

It is a super-2 number, since 2×26464343074² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26464343074.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39148099 + ... + 39148774.

Almost surely, 2^26464343074 is an apocalyptic number.

26464343074 is a deficient number, since it is larger than the sum of its proper divisors (16520640752).

26464343074 is a wasteful number, since it uses less digits than its factorization.

26464343074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78296901 (or 78296888 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 43.

The spelling of 26464343074 in words is "twenty-six billion, four hundred sixty-four million, three hundred forty-three thousand, seventy-four".