42442560 has 84 divisors (see below), whose sum is σ = 145994628. Its totient is φ = 11317248.

The previous prime is 42442541. The next prime is 42442571. The reversal of 42442560 is 6524424.

It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 16064064 = 5136^2 + 4008^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4489 + ... + 10248.

Almost surely, 2^42442560 is an apocalyptic number.

42442560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42442560 is an abundant number, since it is smaller than the sum of its proper divisors (103552068).

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

42442560 is a wasteful number, since it uses less digits than its factorization.

42442560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14760 (or 14747 counting only the distinct ones).

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

The square root of 42442560 is about 6514.7954687772. The cubic root of 42442560 is about 348.8193140835.

Adding to 42442560 its reverse (6524424), we get a palindrome (48966984).

The spelling of 42442560 in words is "forty-two million, four hundred forty-two thousand, five hundred sixty".