1940733399 has 24 divisors (see below), whose sum is σ = 2967947136. Its totient is φ = 1125058000.

The previous prime is 1940733367. The next prime is 1940733407. The reversal of 1940733399 is 9933370491.

It is not a de Polignac number, because 1940733399 - 2⁵ = 1940733367 is a prime.

It is a super-2 number, since 2×1940733399² = 7532892251988186402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940733329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107877 + ... + 124574.

It is an arithmetic number, because the mean of its divisors is an integer number (123664464).

Almost surely, 2^1940733399 is an apocalyptic number.

1940733399 is a deficient number, since it is larger than the sum of its proper divisors (1027213737).

1940733399 is a wasteful number, since it uses less digits than its factorization.

1940733399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232499 (or 232488 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 48.

The square root of 1940733399 is about 44053.7557876738. The cubic root of 1940733399 is about 1247.3508480146.

The spelling of 1940733399 in words is "one billion, nine hundred forty million, seven hundred thirty-three thousand, three hundred ninety-nine".