42331023240 has 64 divisors (see below), whose sum is σ = 138537898560. Its totient is φ = 10262065920.

The previous prime is 42331023181. The next prime is 42331023269. The reversal of 42331023240 is 4232013324.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42331023240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16033159 + ... + 16035798.

It is an arithmetic number, because the mean of its divisors is an integer number (2164654665).

Almost surely, 2^42331023240 is an apocalyptic number.

42331023240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42331023240 is an abundant number, since it is smaller than the sum of its proper divisors (96206875320).

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

42331023240 is a wasteful number, since it uses less digits than its factorization.

42331023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32068982 (or 32068978 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42331023240 its reverse (4232013324), we get a palindrome (46563036564).

The spelling of 42331023240 in words is "forty-two billion, three hundred thirty-one million, twenty-three thousand, two hundred forty".