42124016 has 40 divisors (see below), whose sum is σ = 90315648. Its totient is φ = 18872000.

The previous prime is 42124003. The next prime is 42124057. The reversal of 42124016 is 61042124.

It is a congruent number.

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, 10811 + ... + 14181.

Almost surely, 2^42124016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42124016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45157824).

42124016 is an abundant number, since it is smaller than the sum of its proper divisors (48191632).

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

42124016 is a wasteful number, since it uses less digits than its factorization.

42124016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461 (or 3455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 42124016 is about 6490.3016879033. The cubic root of 42124016 is about 347.9444575997.

It can be divided in two parts, 4212 and 4016, that added together give a palindrome (8228).

The spelling of 42124016 in words is "forty-two million, one hundred twenty-four thousand, sixteen".