42955016 has 32 divisors (see below), whose sum is σ = 88383960. Its totient is φ = 19448832.

The previous prime is 42954959. The next prime is 42955021. The reversal of 42955016 is 61055924.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41860900 + 1094116 = 6470^2 + 1046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 9408.

Almost surely, 2^42955016 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 42955016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44191980).

42955016 is an abundant number, since it is smaller than the sum of its proper divisors (45428944).

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

42955016 is a wasteful number, since it uses less digits than its factorization.

42955016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865 (or 7861 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 42955016 is about 6554.0076289245. The cubic root of 42955016 is about 350.2175953050.

The spelling of 42955016 in words is "forty-two million, nine hundred fifty-five thousand, sixteen".