26168912402 has 4 divisors (see below), whose sum is σ = 39253368606. Its totient is φ = 13084456200.

The previous prime is 26168912321. The next prime is 26168912417. The reversal of 26168912402 is 20421986162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20421986162 = 2 ⋅10210993081.

It can be written as a sum of positive squares in only one way, i.e., 14237501041 + 11931411361 = 119321^2 + 109231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26168912402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6542228099 + ... + 6542228102.

Almost surely, 2^26168912402 is an apocalyptic number.

26168912402 is a deficient number, since it is larger than the sum of its proper divisors (13084456204).

26168912402 is a wasteful number, since it uses less digits than its factorization.

26168912402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13084456203.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 26168912402 in words is "twenty-six billion, one hundred sixty-eight million, nine hundred twelve thousand, four hundred two".