2040000442 has 8 divisors (see below), whose sum is σ = 3240000756. Its totient is φ = 960000192.

The previous prime is 2040000427. The next prime is 2040000449. The reversal of 2040000442 is 2440000402.

It can be written as a sum of positive squares in 2 ways, for example, as 1942958241 + 97042201 = 44079^2 + 9851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2040000449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29999973 + ... + 30000040.

Almost surely, 2^2040000442 is an apocalyptic number.

2040000442 is a deficient number, since it is larger than the sum of its proper divisors (1200000314).

2040000442 is a wasteful number, since it uses less digits than its factorization.

2040000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60000032.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2040000442 is about 45166.3640555668. The cubic root of 2040000442 is about 1268.2652326739.

Adding to 2040000442 its reverse (2440000402), we get a palindrome (4480000844).

The spelling of 2040000442 in words is "two billion, forty million, four hundred forty-two", and thus it is an aban number.