4018786864000 has 128 divisors (see below), whose sum is σ = 10051546115520. Its totient is φ = 1597887846400.

The previous prime is 4018786863997. The next prime is 4018786864007. The reversal of 4018786864000 is 4686878104.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018786864007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919982 + ... + 3424018.

Almost surely, 2^{4018786864000} is an apocalyptic number.

4018786864000 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 4018786864000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5025773057760).

4018786864000 is an abundant number, since it is smaller than the sum of its proper divisors (6032759251520).

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

4018786864000 is a wasteful number, since it uses less digits than its factorization.

4018786864000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504233 (or 1504211 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 4018786864000 in words is "four trillion, eighteen billion, seven hundred eighty-six million, eight hundred sixty-four thousand".