4543941438 has 24 divisors (see below), whose sum is σ = 9852965928. Its totient is φ = 1513453392.

The previous prime is 4543941397. The next prime is 4543941439. The reversal of 4543941438 is 8341493454.

4543941438 is a `hidden beast` number, since 4 + 543 + 94 + 14 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4543941393 and 4543941402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543941439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75856 + ... + 121827.

It is an arithmetic number, because the mean of its divisors is an integer number (410540247).

Almost surely, 2^4543941438 is an apocalyptic number.

4543941438 is an abundant number, since it is smaller than the sum of its proper divisors (5309024490).

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

4543941438 is a wasteful number, since it uses less digits than its factorization.

4543941438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198968 (or 198965 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 4543941438 is about 67408.7638070897. The cubic root of 4543941438 is about 1656.3199842876.

The spelling of 4543941438 in words is "four billion, five hundred forty-three million, nine hundred forty-one thousand, four hundred thirty-eight".