26768042629 has 8 divisors (see below), whose sum is σ = 27069120792. Its totient is φ = 26468090880.

The previous prime is 26768042621. The next prime is 26768042663. The reversal of 26768042629 is 92624086762.

It can be written as a sum of positive squares in 4 ways, for example, as 8027801604 + 18740241025 = 89598^2 + 136895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26768042629 - 2³ = 26768042621 is a prime.

It is a super-2 number, since 2×26768042629² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26768042621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233764 + ... + 328909.

It is an arithmetic number, because the mean of its divisors is an integer number (3383640099).

Almost surely, 2^26768042629 is an apocalyptic number.

It is an amenable number.

26768042629 is a deficient number, since it is larger than the sum of its proper divisors (301078163).

26768042629 is a wasteful number, since it uses less digits than its factorization.

26768042629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563207.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 26768042629 in words is "twenty-six billion, seven hundred sixty-eight million, forty-two thousand, six hundred twenty-nine".