2040004542 has 32 divisors (see below), whose sum is σ = 4123072800. Its totient is φ = 672841728.

The previous prime is 2040004501. The next prime is 2040004553. The reversal of 2040004542 is 2454000402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611134 + ... + 614462.

It is an arithmetic number, because the mean of its divisors is an integer number (128846025).

Almost surely, 2^2040004542 is an apocalyptic number.

2040004542 is an abundant number, since it is smaller than the sum of its proper divisors (2083068258).

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

2040004542 is a wasteful number, since it uses less digits than its factorization.

2040004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2040004542 is about 45166.4094433020. The cubic root of 2040004542 is about 1268.2660823280.

Adding to 2040004542 its reverse (2454000402), we get a palindrome (4494004944).

The spelling of 2040004542 in words is "two billion, forty million, four thousand, five hundred forty-two".