4043054520 has 128 divisors (see below), whose sum is σ = 13506278400. Its totient is φ = 1075794048.

The previous prime is 4043054513. The next prime is 4043054527. The reversal of 4043054520 is 254503404.

It is an interprime number because it is at equal distance from previous prime (4043054513) and next prime (4043054527).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043054527) 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, 522117 + ... + 529803.

It is an arithmetic number, because the mean of its divisors is an integer number (105517800).

Almost surely, 2^4043054520 is an apocalyptic number.

4043054520 is a gapful number since it is divisible by the number (40) 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 4043054520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6753139200).

4043054520 is an abundant number, since it is smaller than the sum of its proper divisors (9463223880).

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

4043054520 is a wasteful number, since it uses less digits than its factorization.

4043054520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194 (or 8184 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 4043054520 is about 63585.0180467066. The cubic root of 4043054520 is about 1593.0761380968.

Adding to 4043054520 its reverse (254503404), we get a palindrome (4297557924).

It can be divided in two parts, 40 and 43054520, that added together give a triangular number (43054560 = T₉₂₇₉).

The spelling of 4043054520 in words is "four billion, forty-three million, fifty-four thousand, five hundred twenty".