3240431234442 has 160 divisors (see below), whose sum is σ = 7791028483392. Its totient is φ = 1003025742336.

The previous prime is 3240431234423. The next prime is 3240431234483. The reversal of 3240431234442 is 2444321340423.

3240431234442 is a `hidden beast` number, since 3 + 240 + 4 + 31 + 2 + 344 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3240431234397 and 3240431234406.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 179885028 + ... + 179903040.

Almost surely, 2^{3240431234442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3240431234442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3895514241696).

3240431234442 is an abundant number, since it is smaller than the sum of its proper divisors (4550597248950).

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

3240431234442 is a wasteful number, since it uses less digits than its factorization.

3240431234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18914 (or 18905 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 3240431234442 its reverse (2444321340423), we get a palindrome (5684752574865).

The spelling of 3240431234442 in words is "three trillion, two hundred forty billion, four hundred thirty-one million, two hundred thirty-four thousand, four hundred forty-two".