26442912159 has 16 divisors (see below), whose sum is σ = 40877932800. Its totient is φ = 16862146488.

The previous prime is 26442912103. The next prime is 26442912179. The reversal of 26442912159 is 95121924462.

26442912159 is a `hidden beast` number, since 2 + 6 + 4 + 429 + 1 + 215 + 9 = 666.

It is not a de Polignac number, because 26442912159 - 2⁷ = 26442912031 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26442912179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21289969 + ... + 21291210.

It is an arithmetic number, because the mean of its divisors is an integer number (2554870800).

Almost surely, 2^26442912159 is an apocalyptic number.

26442912159 is a deficient number, since it is larger than the sum of its proper divisors (14435020641).

26442912159 is a wasteful number, since it uses less digits than its factorization.

26442912159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42581211 (or 42581205 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 26442912159 in words is "twenty-six billion, four hundred forty-two million, nine hundred twelve thousand, one hundred fifty-nine".