42644060 has 48 divisors (see below), whose sum is σ = 91693056. Its totient is φ = 16656192.

The previous prime is 42644057. The next prime is 42644071. The reversal of 42644060 is 6044624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261539 + ... + 261701.

It is an arithmetic number, because the mean of its divisors is an integer number (1910272).

Almost surely, 2^42644060 is an apocalyptic number.

It is an amenable number.

42644060 is an abundant number, since it is smaller than the sum of its proper divisors (49048996).

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

42644060 is a wasteful number, since it uses less digits than its factorization.

42644060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42644060 is about 6530.2419557012. The cubic root of 42644060 is about 349.3704601717.

Adding to 42644060 its reverse (6044624), we get a palindrome (48688684).

The spelling of 42644060 in words is "forty-two million, six hundred forty-four thousand, sixty".