42031360 has 72 divisors (see below), whose sum is σ = 115085376. Its totient is φ = 14407680.

The previous prime is 42031349. The next prime is 42031369. The reversal of 42031360 is 6313024.

It is not an unprimeable number, because it can be changed into a prime (42031369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615 + ... + 11305.

It is an arithmetic number, because the mean of its divisors is an integer number (1598408).

Almost surely, 2^42031360 is an apocalyptic number.

42031360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42031360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57542688).

42031360 is an abundant number, since it is smaller than the sum of its proper divisors (73054016).

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

42031360 is an equidigital number, since it uses as much as digits as its factorization.

42031360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 42031360 is about 6483.1597234682. The cubic root of 42031360 is about 347.6891574060.

Adding to 42031360 its reverse (6313024), we get a palindrome (48344384).

The spelling of 42031360 in words is "forty-two million, thirty-one thousand, three hundred sixty".