4043540550 has 96 divisors (see below), whose sum is σ = 11648611584. Its totient is φ = 909072000.

The previous prime is 4043540549. The next prime is 4043540569. The reversal of 4043540550 is 550453404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32485 + ... + 95615.

It is an arithmetic number, because the mean of its divisors is an integer number (121339704).

Almost surely, 2^4043540550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043540550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5824305792).

4043540550 is an abundant number, since it is smaller than the sum of its proper divisors (7605071034).

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

4043540550 is a wasteful number, since it uses less digits than its factorization.

4043540550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63214 (or 63209 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 4043540550 is about 63588.8398227236. The cubic root of 4043540550 is about 1593.1399719933.

Adding to 4043540550 its reverse (550453404), we get a palindrome (4593993954).

The spelling of 4043540550 in words is "four billion, forty-three million, five hundred forty thousand, five hundred fifty".