42351232 has 64 divisors (see below), whose sum is σ = 105215040. Its totient is φ = 16496640.

The previous prime is 42351227. The next prime is 42351251. The reversal of 42351232 is 23215324.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (1643985).

Almost surely, 2^42351232 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 42351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52607520).

42351232 is an abundant number, since it is smaller than the sum of its proper divisors (62863808).

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

42351232 is a wasteful number, since it uses less digits than its factorization.

42351232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4317 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 42351232 is about 6507.7824179977. The cubic root of 42351232 is about 348.5689376718.

Adding to 42351232 its reverse (23215324), we get a palindrome (65566556).

The spelling of 42351232 in words is "forty-two million, three hundred fifty-one thousand, two hundred thirty-two".