26906068402 has 16 divisors (see below), whose sum is σ = 42772323672. Its totient is φ = 12650077440.

The previous prime is 26906068391. The next prime is 26906068439. The reversal of 26906068402 is 20486060962.

It can be written as a sum of positive squares in 4 ways, for example, as 22147690041 + 4758378361 = 148821^2 + 68981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324849 + ... + 399172.

Almost surely, 2^26906068402 is an apocalyptic number.

26906068402 is a deficient number, since it is larger than the sum of its proper divisors (15866255270).

26906068402 is a wasteful number, since it uses less digits than its factorization.

26906068402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725133.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 26906068402 in words is "twenty-six billion, nine hundred six million, sixty-eight thousand, four hundred two".