2042442004040 has 16 divisors (see below), whose sum is σ = 4595494509180. Its totient is φ = 816976801600.

The previous prime is 2042442004007. The next prime is 2042442004061. The reversal of 2042442004040 is 404002442402.

It can be written as a sum of positive squares in 2 ways, for example, as 2032204206916 + 10237797124 = 1425554^2 + 101182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25530525011 + ... + 25530525090.

Almost surely, 2^{2042442004040} is an apocalyptic number.

2042442004040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042442004040 is an abundant number, since it is smaller than the sum of its proper divisors (2553052505140).

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

2042442004040 is a wasteful number, since it uses less digits than its factorization.

2042442004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51061050112 (or 51061050108 counting only the distinct ones).

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

Adding to 2042442004040 its reverse (404002442402), we get a palindrome (2446444446442).

The spelling of 2042442004040 in words is "two trillion, forty-two billion, four hundred forty-two million, four thousand, forty".