42544512 has 48 divisors (see below), whose sum is σ = 122429580. Its totient is φ = 14181120.

The previous prime is 42544507. The next prime is 42544517. The reversal of 42544512 is 21544524.

It is an interprime number because it is at equal distance from previous prime (42544507) and next prime (42544517).

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17314 + ... + 19617.

Almost surely, 2^42544512 is an apocalyptic number.

It is an amenable number.

42544512 is an abundant number, since it is smaller than the sum of its proper divisors (79885068).

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

42544512 is a wasteful number, since it uses less digits than its factorization.

42544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36951 (or 36936 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 42544512 is about 6522.6154263455. The cubic root of 42544512 is about 349.0983923585.

The spelling of 42544512 in words is "forty-two million, five hundred forty-four thousand, five hundred twelve".