2040344442 has 12 divisors (see below), whose sum is σ = 4420746330. Its totient is φ = 680114808.

The previous prime is 2040344417. The next prime is 2040344447. The reversal of 2040344442 is 2444430402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2029592601 + 10751841 = 45051^2 + 3279^2 .

It is not an unprimeable number, because it can be changed into a prime (2040344447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56676217 + ... + 56676252.

Almost surely, 2^2040344442 is an apocalyptic number.

2040344442 is an abundant number, since it is smaller than the sum of its proper divisors (2380401888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040344442 is a wasteful number, since it uses less digits than its factorization.

2040344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113352477 (or 113352474 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2040344442 is about 45170.1720386363. The cubic root of 2040344442 is about 1268.3365167629.

Adding to 2040344442 its reverse (2444430402), we get a palindrome (4484774844).

The spelling of 2040344442 in words is "two billion, forty million, three hundred forty-four thousand, four hundred forty-two".