234453544220 has 96 divisors (see below), whose sum is σ = 569238316416. Its totient is φ = 79451136000.

The previous prime is 234453544189. The next prime is 234453544229. The reversal of 234453544220 is 22445354432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234453544229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8371040 + ... + 8399000.

It is an arithmetic number, because the mean of its divisors is an integer number (5929565796).

Almost surely, 2^234453544220 is an apocalyptic number.

234453544220 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 234453544220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284619158208).

234453544220 is an abundant number, since it is smaller than the sum of its proper divisors (334784772196).

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

234453544220 is a wasteful number, since it uses less digits than its factorization.

234453544220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28671 (or 28669 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 234453544220 its reverse (22445354432), we get a palindrome (256898898652).

The spelling of 234453544220 in words is "two hundred thirty-four billion, four hundred fifty-three million, five hundred forty-four thousand, two hundred twenty".