4018329351864 has 160 divisors (see below), whose sum is σ = 11302794684720. Its totient is φ = 1333767942144.

The previous prime is 4018329351863. The next prime is 4018329351877. The reversal of 4018329351864 is 4681539238104.

It is a happy number.

4018329351864 is a `hidden beast` number, since 4 + 0 + 1 + 8 + 32 + 93 + 518 + 6 + 4 = 666.

It is a super-2 number, since 2×4018329351864² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4018329351864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018329351863) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 248144152 + ... + 248160344.

Almost surely, 2^{4018329351864} 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 4018329351864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5651397342360).

4018329351864 is an abundant number, since it is smaller than the sum of its proper divisors (7284465332856).

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

4018329351864 is a wasteful number, since it uses less digits than its factorization.

4018329351864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811 (or 17798 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 4018329351864 in words is "four trillion, eighteen billion, three hundred twenty-nine million, three hundred fifty-one thousand, eight hundred sixty-four".