42315216 has 40 divisors (see below), whose sum is σ = 114070080. Its totient is φ = 13491456.

The previous prime is 42315211. The next prime is 42315241. The reversal of 42315216 is 61251324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18061 + ... + 20268.

It is an arithmetic number, because the mean of its divisors is an integer number (2851752).

Almost surely, 2^42315216 is an apocalyptic number.

42315216 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42315216 is an abundant number, since it is smaller than the sum of its proper divisors (71754864).

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

42315216 is a wasteful number, since it uses less digits than its factorization.

42315216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38363 (or 38357 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 42315216 is about 6505.0146809980. The cubic root of 42315216 is about 348.4701005687.

The spelling of 42315216 in words is "forty-two million, three hundred fifteen thousand, two hundred sixteen".