26149490008 has 32 divisors (see below), whose sum is σ = 51169903200. Its totient is φ = 12512163328.

The previous prime is 26149489973. The next prime is 26149490011. The reversal of 26149490008 is 80009494162.

It is a congruent number.

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, 472516 + ... + 524947.

It is an arithmetic number, because the mean of its divisors is an integer number (1599059475).

Almost surely, 2^26149490008 is an apocalyptic number.

It is an amenable number.

26149490008 is a deficient number, since it is larger than the sum of its proper divisors (25020413192).

26149490008 is a wasteful number, since it uses less digits than its factorization.

26149490008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997611 (or 997607 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 26149490008 in words is "twenty-six billion, one hundred forty-nine million, four hundred ninety thousand, eight".