26990244452 has 24 divisors (see below), whose sum is σ = 47503441440. Its totient is φ = 13418041280.

The previous prime is 26990244419. The next prime is 26990244481. The reversal of 26990244452 is 25444209962.

It is a junction number, because it is equal to n+sod(n) for n = 26990244397 and 26990244406.

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 7 ways as a sum of consecutive naturals, for example, 499199 + ... + 550617.

It is an arithmetic number, because the mean of its divisors is an integer number (1979310060).

Almost surely, 2^26990244452 is an apocalyptic number.

It is an amenable number.

26990244452 is a deficient number, since it is larger than the sum of its proper divisors (20513196988).

26990244452 is a wasteful number, since it uses less digits than its factorization.

26990244452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52171 (or 52169 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 26990244452 in words is "twenty-six billion, nine hundred ninety million, two hundred forty-four thousand, four hundred fifty-two".