19442052826 has 32 divisors (see below), whose sum is σ = 33676151040. Its totient is φ = 8246019456.

The previous prime is 19442052811. The next prime is 19442052829. The reversal of 19442052826 is 62825024491.

It is not an unprimeable number, because it can be changed into a prime (19442052829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517246 + ... + 553558.

It is an arithmetic number, because the mean of its divisors is an integer number (1052379720).

Almost surely, 2^19442052826 is an apocalyptic number.

19442052826 is a deficient number, since it is larger than the sum of its proper divisors (14234098214).

19442052826 is a wasteful number, since it uses less digits than its factorization.

19442052826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36718.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 19442052826 in words is "nineteen billion, four hundred forty-two million, fifty-two thousand, eight hundred twenty-six".