42011004040 has 16 divisors (see below), whose sum is σ = 94524759180. Its totient is φ = 16804401600.

The previous prime is 42011004031. The next prime is 42011004043. The reversal of 42011004040 is 4040011024.

It can be written as a sum of positive squares in 2 ways, for example, as 41086479204 + 924524836 = 202698^2 + 30406^2 .

It is not an unprimeable number, because it can be changed into a prime (42011004043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525137511 + ... + 525137590.

Almost surely, 2^42011004040 is an apocalyptic number.

42011004040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42011004040 is an abundant number, since it is smaller than the sum of its proper divisors (52513755140).

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

42011004040 is a wasteful number, since it uses less digits than its factorization.

42011004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050275112 (or 1050275108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 42011004040 its reverse (4040011024), we get a palindrome (46051015064).

The spelling of 42011004040 in words is "forty-two billion, eleven million, four thousand, forty".