42545260 has 24 divisors (see below), whose sum is σ = 89575920. Its totient is φ = 16974144.

The previous prime is 42545221. The next prime is 42545287. The reversal of 42545260 is 6254524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5842 + ... + 10918.

It is an arithmetic number, because the mean of its divisors is an integer number (3732330).

Almost surely, 2^42545260 is an apocalyptic number.

It is an amenable number.

42545260 is an abundant number, since it is smaller than the sum of its proper divisors (47030660).

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

42545260 is a wasteful number, since it uses less digits than its factorization.

42545260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505 (or 5503 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 42545260 is about 6522.6727650557. The cubic root of 42545260 is about 349.1004382477.

Adding to 42545260 its reverse (6254524), we get a palindrome (48799784).

The spelling of 42545260 in words is "forty-two million, five hundred forty-five thousand, two hundred sixty".