4043354123616 has 96 divisors (see below), whose sum is σ = 10794783323520. Its totient is φ = 1324807870464.

The previous prime is 4043354123591. The next prime is 4043354123681. The reversal of 4043354123616 is 6163214533404.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×4043354123616² (a number of 26 digits) contains 22 as substring.

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, 67671931 + ... + 67731653.

It is an arithmetic number, because the mean of its divisors is an integer number (112445659620).

Almost surely, 2^{4043354123616} 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 4043354123616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5397391661760).

4043354123616 is an abundant number, since it is smaller than the sum of its proper divisors (6751429199904).

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

4043354123616 is a wasteful number, since it uses less digits than its factorization.

4043354123616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71748 (or 71740 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 4043354123616 in words is "four trillion, forty-three billion, three hundred fifty-four million, one hundred twenty-three thousand, six hundred sixteen".