42540060 has 48 divisors (see below), whose sum is σ = 122959872. Its totient is φ = 10977600.

The previous prime is 42540059. The next prime is 42540067. The reversal of 42540060 is 6004524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42540067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9576 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (2561664).

Almost surely, 2^42540060 is an apocalyptic number.

It is an amenable number.

42540060 is an abundant number, since it is smaller than the sum of its proper divisors (80419812).

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

42540060 is a wasteful number, since it uses less digits than its factorization.

42540060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22914 (or 22912 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42540060 is about 6522.2741432724. The cubic root of 42540060 is about 349.0862149927.

Adding to 42540060 its reverse (6004524), we get a palindrome (48544584).

The spelling of 42540060 in words is "forty-two million, five hundred forty thousand, sixty".