42424812 has 36 divisors (see below), whose sum is σ = 107454256. Its totient is φ = 14113440.

The previous prime is 42424807. The next prime is 42424819. The reversal of 42424812 is 21842424.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (42424819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25362 + ... + 26982.

Almost surely, 2^42424812 is an apocalyptic number.

It is an amenable number.

42424812 is an abundant number, since it is smaller than the sum of its proper divisors (65029444).

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

42424812 is a wasteful number, since it uses less digits than its factorization.

42424812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2353 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 42424812 is about 6513.4331960956. The cubic root of 42424812 is about 348.7706859430.

The spelling of 42424812 in words is "forty-two million, four hundred twenty-four thousand, eight hundred twelve".