1940290559 has 8 divisors (see below), whose sum is σ = 2008348320. Its totient is φ = 1872309600.

The previous prime is 1940290523. The next prime is 1940290577. The reversal of 1940290559 is 9550920491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1940290559 - 2²⁴ = 1923513343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940290159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34829 + ... + 71369.

It is an arithmetic number, because the mean of its divisors is an integer number (251043540).

Almost surely, 2^1940290559 is an apocalyptic number.

1940290559 is a deficient number, since it is larger than the sum of its proper divisors (68057761).

1940290559 is a wasteful number, since it uses less digits than its factorization.

1940290559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38401.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 1940290559 is about 44048.7293687343. The cubic root of 1940290559 is about 1247.2559665522.

The spelling of 1940290559 in words is "one billion, nine hundred forty million, two hundred ninety thousand, five hundred fifty-nine".