331244104240 has 60 divisors (see below), whose sum is σ = 895880110896. Its totient is φ = 113569405824.

The previous prime is 331244104183. The next prime is 331244104339. The reversal of 331244104240 is 42401442133.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 331244104199 and 331244104208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42246604 + ... + 42254443.

Almost surely, 2^331244104240 is an apocalyptic number.

It is an amenable number.

331244104240 is an abundant number, since it is smaller than the sum of its proper divisors (564636006656).

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

331244104240 is a wasteful number, since it uses less digits than its factorization.

331244104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84501074 (or 84501061 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 331244104240 its reverse (42401442133), we get a palindrome (373645546373).

The spelling of 331244104240 in words is "three hundred thirty-one billion, two hundred forty-four million, one hundred four thousand, two hundred forty".