1940789059 has 12 divisors (see below), whose sum is σ = 2226017808. Its totient is φ = 1687640240.

The previous prime is 1940789057. The next prime is 1940789087. The reversal of 1940789059 is 9509870491.

It is not a de Polignac number, because 1940789059 - 2¹ = 1940789057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1940788997 and 1940789015.

It is not an unprimeable number, because it can be changed into a prime (1940789051) 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 11 ways as a sum of consecutive naturals, for example, 345904 + ... + 351469.

It is an arithmetic number, because the mean of its divisors is an integer number (185501484).

Almost surely, 2^1940789059 is an apocalyptic number.

1940789059 is a deficient number, since it is larger than the sum of its proper divisors (285228749).

1940789059 is a wasteful number, since it uses less digits than its factorization.

1940789059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697418 (or 697407 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 1940789059 is about 44054.3875113478. The cubic root of 1940789059 is about 1247.3627725246.

The spelling of 1940789059 in words is "one billion, nine hundred forty million, seven hundred eighty-nine thousand, fifty-nine".