1940026801 has 2 divisors, whose sum is σ = 1940026802. Its totient is φ = 1940026800.

The previous prime is 1940026789. The next prime is 1940026819. The reversal of 1940026801 is 1086200491.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1417447201 + 522579600 = 37649^2 + 22860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940026801 - 2⁵ = 1940026769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940026831) 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, 970013400 + 970013401.

It is an arithmetic number, because the mean of its divisors is an integer number (970013401).

Almost surely, 2^1940026801 is an apocalyptic number.

It is an amenable number.

1940026801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940026801 is an equidigital number, since it uses as much as digits as its factorization.

1940026801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1940026801 is about 44045.7353327198. The cubic root of 1940026801 is about 1247.1994477582.

The spelling of 1940026801 in words is "one billion, nine hundred forty million, twenty-six thousand, eight hundred one".