42231240320 has 32 divisors (see below), whose sum is σ = 100959060420. Its totient is φ = 16892495872.

The previous prime is 42231240313. The next prime is 42231240379. The reversal of 42231240320 is 2304213224.

It can be written as a sum of positive squares in 2 ways, for example, as 36383273536 + 5847966784 = 190744^2 + 76472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32992517 + ... + 32993796.

Almost surely, 2^42231240320 is an apocalyptic number.

42231240320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42231240320 is an abundant number, since it is smaller than the sum of its proper divisors (58727820100).

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

42231240320 is an equidigital number, since it uses as much as digits as its factorization.

42231240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65986332 (or 65986320 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42231240320 its reverse (2304213224), we get a palindrome (44535453544).

The spelling of 42231240320 in words is "forty-two billion, two hundred thirty-one million, two hundred forty thousand, three hundred twenty".