4042042042040 has 32 divisors (see below), whose sum is σ = 9095762916000. Its totient is φ = 1616609115264.

The previous prime is 4042042042033. The next prime is 4042042042061. The reversal of 4042042042040 is 402402402404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6175220 + ... + 6798339.

It is an arithmetic number, because the mean of its divisors is an integer number (284242591125).

Almost surely, 2^{4042042042040} is an apocalyptic number.

4042042042040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4042042042040 is an abundant number, since it is smaller than the sum of its proper divisors (5053720873960).

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

4042042042040 is a wasteful number, since it uses less digits than its factorization.

4042042042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981359 (or 12981355 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 4042042042040 its reverse (402402402404), we get a palindrome (4444444444444).

The spelling of 4042042042040 in words is "four trillion, forty-two billion, forty-two million, forty-two thousand, forty", and thus it is an eban number.