1940022050 has 18 divisors (see below), whose sum is σ = 3609020403. Its totient is φ = 775884240.

The previous prime is 1940022023. The next prime is 1940022053. The reversal of 1940022050 is 502200491.

It can be written as a sum of positive squares in 5 ways, for example, as 708784129 + 1231237921 = 26623^2 + 35089^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=31145.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940022053) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 308336 + ... + 314564.

Almost surely, 2^1940022050 is an apocalyptic number.

1940022050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940022050 is a deficient number, since it is larger than the sum of its proper divisors (1668998353).

1940022050 is an frugal number, since it uses more digits than its factorization.

1940022050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12470 (or 6236 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1940022050 is about 44045.6814001100. The cubic root of 1940022050 is about 1247.1984296539.

The spelling of 1940022050 in words is "one billion, nine hundred forty million, twenty-two thousand, fifty".