1940303001 has 16 divisors (see below), whose sum is σ = 3184087424. Its totient is φ = 1023456384.

The previous prime is 1940302957. The next prime is 1940303059. The reversal of 1940303001 is 1003030491.

It is not a de Polignac number, because 1940303001 - 2⁷ = 1940302873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940303401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3553396 + ... + 3553941.

It is an arithmetic number, because the mean of its divisors is an integer number (199005464).

Almost surely, 2^1940303001 is an apocalyptic number.

It is an amenable number.

1940303001 is a deficient number, since it is larger than the sum of its proper divisors (1243784423).

1940303001 is a wasteful number, since it uses less digits than its factorization.

1940303001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107360.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1940303001 is about 44048.8705984614. The cubic root of 1940303001 is about 1247.2586325319.

Adding to 1940303001 its reverse (1003030491), we get a palindrome (2943333492).

The spelling of 1940303001 in words is "one billion, nine hundred forty million, three hundred three thousand, one".