331481619446460 has 192 divisors, whose sum is σ = 1066607530619904. Its totient is φ = 75349004544000.

The previous prime is 331481619446389. The next prime is 331481619446479. The reversal of 331481619446460 is 64644916184133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 331481619446394 and 331481619446403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77276110 + ... + 81452810.

It is an arithmetic number, because the mean of its divisors is an integer number (5555247555312).

Almost surely, 2^{331481619446460} is an apocalyptic number.

331481619446460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331481619446460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533303765309952).

331481619446460 is an abundant number, since it is smaller than the sum of its proper divisors (735125911173444).

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

331481619446460 is a wasteful number, since it uses less digits than its factorization.

331481619446460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177764 (or 4177762 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 60.

The spelling of 331481619446460 in words is "three hundred thirty-one trillion, four hundred eighty-one billion, six hundred nineteen million, four hundred forty-six thousand, four hundred sixty".