331140422130440 has 64 divisors (see below), whose sum is σ = 802452456590400. Its totient is φ = 122255995997952.

The previous prime is 331140422130409. The next prime is 331140422130451. The reversal of 331140422130440 is 44031224041133.

It is a junction number, because it is equal to n+sod(n) for n = 331140422130397 and 331140422130406.

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, 23597870 + ... + 34916189.

It is an arithmetic number, because the mean of its divisors is an integer number (12538319634225).

Almost surely, 2^{331140422130440} is an apocalyptic number.

It is an amenable number.

331140422130440 is an abundant number, since it is smaller than the sum of its proper divisors (471312034459960).

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

331140422130440 is a wasteful number, since it uses less digits than its factorization.

331140422130440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58524966 (or 58524962 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 331140422130440 its reverse (44031224041133), we get a palindrome (375171646171573).

The spelling of 331140422130440 in words is "three hundred thirty-one trillion, one hundred forty billion, four hundred twenty-two million, one hundred thirty thousand, four hundred forty".