42506434460 has 24 divisors (see below), whose sum is σ = 102015443040. Its totient is φ = 14573634624.

The previous prime is 42506434361. The next prime is 42506434463. The reversal of 42506434460 is 6443460524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42506434463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151808555 + ... + 151808834.

It is an arithmetic number, because the mean of its divisors is an integer number (4250643460).

Almost surely, 2^42506434460 is an apocalyptic number.

It is an amenable number.

42506434460 is an abundant number, since it is smaller than the sum of its proper divisors (59509008580).

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

42506434460 is a wasteful number, since it uses less digits than its factorization.

42506434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303617405 (or 303617403 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 42506434460 its reverse (6443460524), we get a palindrome (48949894984).

The spelling of 42506434460 in words is "forty-two billion, five hundred six million, four hundred thirty-four thousand, four hundred sixty".