2040042420040 has 32 divisors (see below), whose sum is σ = 4590369999360. Its totient is φ = 815968158400.

The previous prime is 2040042420037. The next prime is 2040042420071. The reversal of 2040042420040 is 400242400402.

It is a junction number, because it is equal to n+sod(n) for n = 2040042419993 and 2040042420020.

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, 844456 + ... + 2189335.

It is an arithmetic number, because the mean of its divisors is an integer number (143449062480).

Almost surely, 2^{2040042420040} is an apocalyptic number.

2040042420040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040042420040 is an abundant number, since it is smaller than the sum of its proper divisors (2550327579320).

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

2040042420040 is a wasteful number, since it uses less digits than its factorization.

2040042420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050613 (or 3050609 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 2040042420040 its reverse (400242400402), we get a palindrome (2440284820442).

The spelling of 2040042420040 in words is "two trillion, forty billion, forty-two million, four hundred twenty thousand, forty".