1942489426 has 32 divisors (see below), whose sum is σ = 3189715200. Its totient is φ = 884304960.

The previous prime is 1942489363. The next prime is 1942489427. The reversal of 1942489426 is 6249842491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942489426.

It is not an unprimeable number, because it can be changed into a prime (1942489427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84460 + ... + 104968.

It is an arithmetic number, because the mean of its divisors is an integer number (99678600).

Almost surely, 2^1942489426 is an apocalyptic number.

1942489426 is a deficient number, since it is larger than the sum of its proper divisors (1247225774).

1942489426 is a wasteful number, since it uses less digits than its factorization.

1942489426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20634.

The product of its digits is 995328, while the sum is 49.

The square root of 1942489426 is about 44073.6817840307. The cubic root of 1942489426 is about 1247.7269466348.

The spelling of 1942489426 in words is "one billion, nine hundred forty-two million, four hundred eighty-nine thousand, four hundred twenty-six".