42986016 has 36 divisors (see below), whose sum is σ = 122242302. Its totient is φ = 14328576.

The previous prime is 42985993. The next prime is 42986017. The reversal of 42986016 is 61068924.

42986016 is a `hidden beast` number, since 42 + 9 + 8 + 601 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28515600 + 14470416 = 5340^2 + 3804^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42986017) 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, 74341 + ... + 74916.

Almost surely, 2^42986016 is an apocalyptic number.

It is an amenable number.

42986016 is an abundant number, since it is smaller than the sum of its proper divisors (79256286).

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

42986016 is a wasteful number, since it uses less digits than its factorization.

42986016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149273 (or 149262 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42986016 is about 6556.3721675939. The cubic root of 42986016 is about 350.3018239997.

The spelling of 42986016 in words is "forty-two million, nine hundred eighty-six thousand, sixteen".