1940232399 has 8 divisors (see below), whose sum is σ = 2956544640. Its totient is φ = 1108704216.

The previous prime is 1940232397. The next prime is 1940232401. The reversal of 1940232399 is 9932320491.

It is an interprime number because it is at equal distance from previous prime (1940232397) and next prime (1940232401).

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

It is not a de Polignac number, because 1940232399 - 2¹ = 1940232397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1940232399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940232397) 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, 46195989 + ... + 46196030.

It is an arithmetic number, because the mean of its divisors is an integer number (369568080).

Almost surely, 2^1940232399 is an apocalyptic number.

1940232399 is a deficient number, since it is larger than the sum of its proper divisors (1016312241).

1940232399 is an equidigital number, since it uses as much as digits as its factorization.

1940232399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92392029.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1940232399 is about 44048.0691858338. The cubic root of 1940232399 is about 1247.2435043067.

The spelling of 1940232399 in words is "one billion, nine hundred forty million, two hundred thirty-two thousand, three hundred ninety-nine".