26490105862 has 32 divisors (see below), whose sum is σ = 45675648000. Its totient is φ = 11395533600.

The previous prime is 26490105853. The next prime is 26490105911. The reversal of 26490105862 is 26850109462.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 382264 + ... + 446212.

It is an arithmetic number, because the mean of its divisors is an integer number (1427364000).

Almost surely, 2^26490105862 is an apocalyptic number.

26490105862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26490105862 is a deficient number, since it is larger than the sum of its proper divisors (19185542138).

26490105862 is a wasteful number, since it uses less digits than its factorization.

26490105862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64972.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 26490105862 in words is "twenty-six billion, four hundred ninety million, one hundred five thousand, eight hundred sixty-two".