4045334520 has 128 divisors (see below), whose sum is σ = 12265344000. Its totient is φ = 1067329536.

The previous prime is 4045334477. The next prime is 4045334543. The reversal of 4045334520 is 254335404.

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 31 ways as a sum of consecutive naturals, for example, 6753181 + ... + 6753779.

It is an arithmetic number, because the mean of its divisors is an integer number (95823000).

Almost surely, 2^4045334520 is an apocalyptic number.

4045334520 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 4045334520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6132672000).

4045334520 is an abundant number, since it is smaller than the sum of its proper divisors (8220009480).

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

4045334520 is a wasteful number, since it uses less digits than its factorization.

4045334520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 4045334520 is about 63602.9442714722. The cubic root of 4045334520 is about 1593.3755429996.

Adding to 4045334520 its reverse (254335404), we get a palindrome (4299669924).

The spelling of 4045334520 in words is "four billion, forty-five million, three hundred thirty-four thousand, five hundred twenty".