3913312919040 has 960 divisors, whose sum is σ = 16202434406400. Its totient is φ = 892671639552.

The previous prime is 3913312919029. The next prime is 3913312919053. The reversal of 3913312919040 is 409192133193.

It is a happy number.

3913312919040 is a `hidden beast` number, since 3 + 91 + 331 + 2 + 9 + 190 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2435165917 + ... + 2435167523.

It is an arithmetic number, because the mean of its divisors is an integer number (16877535840).

Almost surely, 2^{3913312919040} is an apocalyptic number.

3913312919040 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 3913312919040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8101217203200).

3913312919040 is an abundant number, since it is smaller than the sum of its proper divisors (12289121487360).

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

3913312919040 is a wasteful number, since it uses less digits than its factorization.

3913312919040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 3913312919040 in words is "three trillion, nine hundred thirteen billion, three hundred twelve million, nine hundred nineteen thousand, forty".