42040432441 has 24 divisors (see below), whose sum is σ = 52733691360. Its totient is φ = 33305428800.

The previous prime is 42040432433. The next prime is 42040432453. The reversal of 42040432441 is 14423404024.

It is not a de Polignac number, because 42040432441 - 2³ = 42040432433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42040432541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512515 + ... + 588856.

It is an arithmetic number, because the mean of its divisors is an integer number (2197237140).

Almost surely, 2^42040432441 is an apocalyptic number.

42040432441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42040432441 is a deficient number, since it is larger than the sum of its proper divisors (10693258919).

42040432441 is a wasteful number, since it uses less digits than its factorization.

42040432441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101445 (or 1101438 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42040432441 its reverse (14423404024), we get a palindrome (56463836465).

The spelling of 42040432441 in words is "forty-two billion, forty million, four hundred thirty-two thousand, four hundred forty-one".