1940812008 has 32 divisors (see below), whose sum is σ = 5019343200. Its totient is φ = 624628928.

The previous prime is 1940811997. The next prime is 1940812033. The reversal of 1940812008 is 8002180491.

It is a self number, because there is not a number n which added to its sum of digits gives 1940812008.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1393566 + ... + 1394957.

It is an arithmetic number, because the mean of its divisors is an integer number (156854475).

Almost surely, 2^1940812008 is an apocalyptic number.

It is an amenable number.

1940812008 is an abundant number, since it is smaller than the sum of its proper divisors (3078531192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940812008 is a wasteful number, since it uses less digits than its factorization.

1940812008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788561 (or 2788557 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1940812008 is about 44054.6479727168. The cubic root of 1940812008 is about 1247.3676890155.

Adding to 1940812008 its reverse (8002180491), we get a palindrome (9942992499).

The spelling of 1940812008 in words is "one billion, nine hundred forty million, eight hundred twelve thousand, eight".