42000434541 has 48 divisors (see below), whose sum is σ = 66019000320. Its totient is φ = 25576508160.

The previous prime is 42000434507. The next prime is 42000434543. The reversal of 42000434541 is 14543400024.

It is a happy number.

42000434541 is a `hidden beast` number, since 4 + 200 + 0 + 4 + 3 + 454 + 1 = 666.

It is not a de Polignac number, because 42000434541 - 2¹⁴ = 42000418157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000434543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6073876 + ... + 6080786.

It is an arithmetic number, because the mean of its divisors is an integer number (1375395840).

Almost surely, 2^42000434541 is an apocalyptic number.

It is an amenable number.

42000434541 is a deficient number, since it is larger than the sum of its proper divisors (24018565779).

42000434541 is a wasteful number, since it uses less digits than its factorization.

42000434541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466 (or 7463 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 42000434541 its reverse (14543400024), we get a palindrome (56543834565).

The spelling of 42000434541 in words is "forty-two billion, four hundred thirty-four thousand, five hundred forty-one".