42512316 has 96 divisors (see below), whose sum is σ = 124938240. Its totient is φ = 10929600.

The previous prime is 42512311. The next prime is 42512317. The reversal of 42512316 is 61321524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42512311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128271 + ... + 128601.

It is an arithmetic number, because the mean of its divisors is an integer number (1301440).

Almost surely, 2^42512316 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 42512316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62469120).

42512316 is an abundant number, since it is smaller than the sum of its proper divisors (82425924).

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

42512316 is a wasteful number, since it uses less digits than its factorization.

42512316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

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

The square root of 42512316 is about 6520.1469308598. The cubic root of 42512316 is about 349.0103088610.

The spelling of 42512316 in words is "forty-two million, five hundred twelve thousand, three hundred sixteen".