331404330403040 has 96 divisors (see below), whose sum is σ = 783704864194560. Its totient is φ = 132432717888000.

The previous prime is 331404330403001. The next prime is 331404330403061. The reversal of 331404330403040 is 40304033404133.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 331404330402988 and 331404330403006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861952771 + ... + 1862130749.

It is an arithmetic number, because the mean of its divisors is an integer number (8163592335360).

Almost surely, 2^{331404330403040} is an apocalyptic number.

It is an amenable number.

331404330403040 is an abundant number, since it is smaller than the sum of its proper divisors (452300533791520).

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

331404330403040 is a wasteful number, since it uses less digits than its factorization.

331404330403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189256 (or 189248 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 331404330403040 its reverse (40304033404133), we get a palindrome (371708363807173).

The spelling of 331404330403040 in words is "three hundred thirty-one trillion, four hundred four billion, three hundred thirty million, four hundred three thousand, forty".