1940452277 has 2 divisors, whose sum is σ = 1940452278. Its totient is φ = 1940452276.

The previous prime is 1940452253. The next prime is 1940452289. The reversal of 1940452277 is 7722540491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196744836 + 743707441 = 34594^2 + 27271^2 .

It is an emirp because it is prime and its reverse (7722540491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1940452277 - 2¹⁶ = 1940386741 is a prime.

It is a super-3 number, since 3×1940452277³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940452207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970226138 + 970226139.

It is an arithmetic number, because the mean of its divisors is an integer number (970226139).

Almost surely, 2^1940452277 is an apocalyptic number.

It is an amenable number.

1940452277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940452277 is an equidigital number, since it uses as much as digits as its factorization.

1940452277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1940452277 is about 44050.5650020519. The cubic root of 1940452277 is about 1247.2906173997.

The spelling of 1940452277 in words is "one billion, nine hundred forty million, four hundred fifty-two thousand, two hundred seventy-seven".