26266666450 has 12 divisors (see below), whose sum is σ = 48855999690. Its totient is φ = 10506666560.

The previous prime is 26266666423. The next prime is 26266666457. The reversal of 26266666450 is 5466666262.

It can be written as a sum of positive squares in 3 ways, for example, as 11379982329 + 14886684121 = 106677^2 + 122011^2 .

It is a super-3 number, since 3×26266666450³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26266666394 and 26266666403.

It is not an unprimeable number, because it can be changed into a prime (26266666457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262666615 + ... + 262666714.

Almost surely, 2^26266666450 is an apocalyptic number.

26266666450 is a deficient number, since it is larger than the sum of its proper divisors (22589333240).

26266666450 is a wasteful number, since it uses less digits than its factorization.

26266666450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525333341 (or 525333336 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 26266666450 in words is "twenty-six billion, two hundred sixty-six million, six hundred sixty-six thousand, four hundred fifty".