1594809442 has 16 divisors (see below), whose sum is σ = 2430374400. Its totient is φ = 784708848.

The previous prime is 1594809439. The next prime is 1594809449. The reversal of 1594809442 is 2449084951.

It is a junction number, because it is equal to n+sod(n) for n = 1594809392 and 1594809401.

It is not an unprimeable number, because it can be changed into a prime (1594809449) by changing a digit.

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, 140184 + ... + 151132.

It is an arithmetic number, because the mean of its divisors is an integer number (151898400).

Almost surely, 2^1594809442 is an apocalyptic number.

1594809442 is a deficient number, since it is larger than the sum of its proper divisors (835564958).

1594809442 is a wasteful number, since it uses less digits than its factorization.

1594809442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 1594809442 is about 39935.0653185894. The cubic root of 1594809442 is about 1168.3409514927.

The spelling of 1594809442 in words is "one billion, five hundred ninety-four million, eight hundred nine thousand, four hundred forty-two".