2040204542 has 16 divisors (see below), whose sum is σ = 3115756800. Its totient is φ = 1001658840.

The previous prime is 2040204541. The next prime is 2040204571. The reversal of 2040204542 is 2454020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040204541) 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 in 7 ways as a sum of consecutive naturals, for example, 98009 + ... + 116987.

It is an arithmetic number, because the mean of its divisors is an integer number (194734800).

Almost surely, 2^2040204542 is an apocalyptic number.

2040204542 is a deficient number, since it is larger than the sum of its proper divisors (1075552258).

2040204542 is a wasteful number, since it uses less digits than its factorization.

2040204542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19951.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2040204542 is about 45168.6234237883. The cubic root of 2040204542 is about 1268.3075274853.

Adding to 2040204542 its reverse (2454020402), we get a palindrome (4494224944).

The spelling of 2040204542 in words is "two billion, forty million, two hundred four thousand, five hundred forty-two".