1940590079 has 8 divisors (see below), whose sum is σ = 1949270592. Its totient is φ = 1931921280.

The previous prime is 1940590073. The next prime is 1940590117. The reversal of 1940590079 is 9700950491.

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

It is a cyclic number.

It is not a de Polignac number, because 1940590079 - 2⁸ = 1940589823 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 (1940590073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538307 + ... + 541899.

It is an arithmetic number, because the mean of its divisors is an integer number (243658824).

Almost surely, 2^1940590079 is an apocalyptic number.

1940590079 is a deficient number, since it is larger than the sum of its proper divisors (8680513).

1940590079 is a wasteful number, since it uses less digits than its factorization.

1940590079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 1940590079 is about 44052.1291085913. The cubic root of 1940590079 is about 1247.3201423160.

The spelling of 1940590079 in words is "one billion, nine hundred forty million, five hundred ninety thousand, seventy-nine".