26346066544 has 40 divisors (see below), whose sum is σ = 58915345248. Its totient is φ = 11179372800.

The previous prime is 26346066517. The next prime is 26346066563. The reversal of 26346066544 is 44566064362.

It is a happy number.

It is a super-2 number, since 2×26346066544² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26346066494 and 26346066503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153207 + ... + 1175830.

Almost surely, 2^26346066544 is an apocalyptic number.

It is an amenable number.

26346066544 is an abundant number, since it is smaller than the sum of its proper divisors (32569278704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26346066544 is a wasteful number, since it uses less digits than its factorization.

26346066544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329153 (or 2329147 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 26346066544 in words is "twenty-six billion, three hundred forty-six million, sixty-six thousand, five hundred forty-four".