214988140864 has 112 divisors (see below), whose sum is σ = 495416653056. Its totient is φ = 90658713600.

The previous prime is 214988140823. The next prime is 214988140891. The reversal of 214988140864 is 468041889412.

214988140864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

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, 16565482 + ... + 16578454.

Almost surely, 2^214988140864 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 214988140864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247708326528).

214988140864 is an abundant number, since it is smaller than the sum of its proper divisors (280428512192).

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

214988140864 is a wasteful number, since it uses less digits than its factorization.

214988140864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13584 (or 13574 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 214988140864 in words is "two hundred fourteen billion, nine hundred eighty-eight million, one hundred forty thousand, eight hundred sixty-four".