26345644435 has 16 divisors (see below), whose sum is σ = 36304047360. Its totient is φ = 18152022240.

The previous prime is 26345644411. The next prime is 26345644463. The reversal of 26345644435 is 53444654362.

It is a happy number.

It is not a de Polignac number, because 26345644435 - 2¹¹ = 26345642387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12604527 + ... + 12606616.

It is an arithmetic number, because the mean of its divisors is an integer number (2269002960).

Almost surely, 2^26345644435 is an apocalyptic number.

26345644435 is a deficient number, since it is larger than the sum of its proper divisors (9958402925).

26345644435 is a wasteful number, since it uses less digits than its factorization.

26345644435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25211178.

The product of its digits is 4147200, while the sum is 46.

The spelling of 26345644435 in words is "twenty-six billion, three hundred forty-five million, six hundred forty-four thousand, four hundred thirty-five".