4611912318720 has 864 divisors, whose sum is σ = 19522027499520. Its totient is φ = 1020131573760.

The previous prime is 4611912318703. The next prime is 4611912318763. The reversal of 4611912318720 is 278132191164.

4611912318720 is a `hidden beast` number, since 4 + 611 + 9 + 1 + 2 + 3 + 1 + 8 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a super-2 number, since 2×4611912318720² (a number of 26 digits) contains 22 as substring.

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 (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67461516 + ... + 67529844.

Almost surely, 2^{4611912318720} is an apocalyptic number.

4611912318720 is a gapful number since it is divisible by the number (40) 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 4611912318720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9761013749760).

4611912318720 is an abundant number, since it is smaller than the sum of its proper divisors (14910115180800).

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

4611912318720 is an equidigital number, since it uses as much as digits as its factorization.

4611912318720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68403 (or 68377 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 4611912318720 in words is "four trillion, six hundred eleven billion, nine hundred twelve million, three hundred eighteen thousand, seven hundred twenty".