214235163520 has 128 divisors (see below), whose sum is σ = 585610119360. Its totient is φ = 73415786496.

The previous prime is 214235163487. The next prime is 214235163547. The reversal of 214235163520 is 25361532412.

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

It is a super-2 number, since 2×214235163520² (a number of 23 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, 10011072 + ... + 10032448.

Almost surely, 2^214235163520 is an apocalyptic number.

214235163520 is a gapful number since it is divisible by the number (20) 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 214235163520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292805059680).

214235163520 is an abundant number, since it is smaller than the sum of its proper divisors (371374955840).

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

214235163520 is a wasteful number, since it uses less digits than its factorization.

214235163520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23640 (or 23628 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 214235163520 its reverse (25361532412), we get a palindrome (239596695932).

The spelling of 214235163520 in words is "two hundred fourteen billion, two hundred thirty-five million, one hundred sixty-three thousand, five hundred twenty".