4194218745860 has 96 divisors (see below), whose sum is σ = 10352263404672. Its totient is φ = 1407228088320.

The previous prime is 4194218745809. The next prime is 4194218745877. The reversal of 4194218745860 is 685478124914.

It is a self number, because there is not a number n which added to its sum of digits gives 4194218745860.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6178187 + ... + 6823373.

It is an arithmetic number, because the mean of its divisors is an integer number (107836077132).

Almost surely, 2^{4194218745860} 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 4194218745860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5176131702336).

4194218745860 is an abundant number, since it is smaller than the sum of its proper divisors (6158044658812).

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

4194218745860 is a wasteful number, since it uses less digits than its factorization.

4194218745860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647493 (or 647491 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 4194218745860 in words is "four trillion, one hundred ninety-four billion, two hundred eighteen million, seven hundred forty-five thousand, eight hundred sixty".