1940204726 has 4 divisors (see below), whose sum is σ = 2910307092. Its totient is φ = 970102362.

The previous prime is 1940204723. The next prime is 1940204729. The reversal of 1940204726 is 6274020491.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1940204723) and next prime (1940204729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940204723) 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 as a sum of consecutive naturals, namely, 485051180 + ... + 485051183.

It is an arithmetic number, because the mean of its divisors is an integer number (727576773).

Almost surely, 2^1940204726 is an apocalyptic number.

1940204726 is a deficient number, since it is larger than the sum of its proper divisors (970102366).

1940204726 is an equidigital number, since it uses as much as digits as its factorization.

1940204726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970102365.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1940204726 is about 44047.7550619779. The cubic root of 1940204726 is about 1247.2375745817.

The spelling of 1940204726 in words is "one billion, nine hundred forty million, two hundred four thousand, seven hundred twenty-six".