1940452273 has 16 divisors (see below), whose sum is σ = 2102444800. Its totient is φ = 1785214080.

The previous prime is 1940452253. The next prime is 1940452277. The reversal of 1940452273 is 3722540491.

It is a cyclic number.

It is not a de Polignac number, because 1940452273 - 2⁹ = 1940451761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940452277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80965 + ... + 102157.

It is an arithmetic number, because the mean of its divisors is an integer number (131402800).

Almost surely, 2^1940452273 is an apocalyptic number.

It is an amenable number.

1940452273 is a deficient number, since it is larger than the sum of its proper divisors (161992527).

1940452273 is a wasteful number, since it uses less digits than its factorization.

1940452273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21352.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1940452273 is about 44050.5649566495. The cubic root of 1940452273 is about 1247.2906165427.

The spelling of 1940452273 in words is "one billion, nine hundred forty million, four hundred fifty-two thousand, two hundred seventy-three".