42351216 has 120 divisors (see below), whose sum is σ = 120599424. Its totient is φ = 12794880.

The previous prime is 42351193. The next prime is 42351227. The reversal of 42351216 is 61215324.

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

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 596461 + ... + 596531.

Almost surely, 2^42351216 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 42351216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60299712).

42351216 is an abundant number, since it is smaller than the sum of its proper divisors (78248208).

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

42351216 is a wasteful number, since it uses less digits than its factorization.

42351216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 136 counting only the distinct ones).

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

The square root of 42351216 is about 6507.7811887002. The cubic root of 42351216 is about 348.5688937761.

The spelling of 42351216 in words is "forty-two million, three hundred fifty-one thousand, two hundred sixteen".