331104251334640 has 80 divisors (see below), whose sum is σ = 881138604109248. Its totient is φ = 113347611445248.

The previous prime is 331104251334629. The next prime is 331104251334697. The reversal of 331104251334640 is 46433152401133.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 331104251334593 and 331104251334602.

It is a congruent number.

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, 452358357 + ... + 453089716.

Almost surely, 2^{331104251334640} is an apocalyptic number.

It is an amenable number.

331104251334640 is an abundant number, since it is smaller than the sum of its proper divisors (550034352774608).

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

331104251334640 is a wasteful number, since it uses less digits than its factorization.

331104251334640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905448746 (or 905448740 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 331104251334640 in words is "three hundred thirty-one trillion, one hundred four billion, two hundred fifty-one million, three hundred thirty-four thousand, six hundred forty".