4020555504 has 80 divisors (see below), whose sum is σ = 11909182208. Its totient is φ = 1144958976.

The previous prime is 4020555493. The next prime is 4020555541. The reversal of 4020555504 is 4055550204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83664 + ... + 122640.

Almost surely, 2^4020555504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020555504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5954591104).

4020555504 is an abundant number, since it is smaller than the sum of its proper divisors (7888626704).

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

4020555504 is a wasteful number, since it uses less digits than its factorization.

4020555504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39302 (or 39296 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 4020555504 is about 63407.8504918752. The cubic root of 4020555504 is about 1590.1155598143.

The spelling of 4020555504 in words is "four billion, twenty million, five hundred fifty-five thousand, five hundred four".