240420432312 has 64 divisors (see below), whose sum is σ = 677240697600. Its totient is φ = 79011404640.

The previous prime is 240420432299. The next prime is 240420432331. The reversal of 240420432312 is 213234024042.

240420432312 is a `hidden beast` number, since 2 + 4 + 0 + 420 + 4 + 3 + 231 + 2 = 666.

240420432312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 7823098 + ... + 7853769.

It is an arithmetic number, because the mean of its divisors is an integer number (10581885900).

Almost surely, 2^240420432312 is an apocalyptic number.

It is an amenable number.

240420432312 is an abundant number, since it is smaller than the sum of its proper divisors (436820265288).

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

240420432312 is a wasteful number, since it uses less digits than its factorization.

240420432312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15676953 (or 15676943 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 240420432312 its reverse (213234024042), we get a palindrome (453654456354).

The spelling of 240420432312 in words is "two hundred forty billion, four hundred twenty million, four hundred thirty-two thousand, three hundred twelve".