4243374946944 has 320 divisors, whose sum is σ = 14647669248960. Its totient is φ = 1194296057856.

The previous prime is 4243374946919. The next prime is 4243374947003. The reversal of 4243374946944 is 4496494733424.

It is a happy number.

4243374946944 is a `hidden beast` number, since 4 + 2 + 43 + 3 + 7 + 494 + 69 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4426264 + ... + 5298920.

It is an arithmetic number, because the mean of its divisors is an integer number (45773966403).

Almost surely, 2^{4243374946944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243374946944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7323834624480).

4243374946944 is an abundant number, since it is smaller than the sum of its proper divisors (10404294302016).

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

4243374946944 is an equidigital number, since it uses as much as digits as its factorization.

4243374946944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872757 (or 872736 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 63.

The spelling of 4243374946944 in words is "four trillion, two hundred forty-three billion, three hundred seventy-four million, nine hundred forty-six thousand, nine hundred forty-four".