240431515332 has 72 divisors (see below), whose sum is σ = 593382281856. Its totient is φ = 75733719936.

The previous prime is 240431515277. The next prime is 240431515333. The reversal of 240431515332 is 233515134042.

It is a junction number, because it is equal to n+sod(n) for n = 240431515293 and 240431515302.

It is not an unprimeable number, because it can be changed into a prime (240431515333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220878 + ... + 727770.

Almost surely, 2^240431515332 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 240431515332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296691140928).

240431515332 is an abundant number, since it is smaller than the sum of its proper divisors (352950766524).

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

240431515332 is a wasteful number, since it uses less digits than its factorization.

240431515332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507005 (or 506974 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 240431515332 its reverse (233515134042), we get a palindrome (473946649374).

The spelling of 240431515332 in words is "two hundred forty billion, four hundred thirty-one million, five hundred fifteen thousand, three hundred thirty-two".