4052666520 has 576 divisors, whose sum is σ = 16253153280. Its totient is φ = 905313024.

The previous prime is 4052666489. The next prime is 4052666557. The reversal of 4052666520 is 256662504.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 31910697 + ... + 31910823.

It is an arithmetic number, because the mean of its divisors is an integer number (28217280).

Almost surely, 2^4052666520 is an apocalyptic number.

4052666520 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 4052666520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8126576640).

4052666520 is an abundant number, since it is smaller than the sum of its proper divisors (12200486760).

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

4052666520 is a wasteful number, since it uses less digits than its factorization.

4052666520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 4052666520 is about 63660.5570192407. The cubic root of 4052666520 is about 1594.3376042276.

The spelling of 4052666520 in words is "four billion, fifty-two million, six hundred sixty-six thousand, five hundred twenty".