4055555520 has 224 divisors, whose sum is σ = 14357299200. Its totient is φ = 1077691392.

The previous prime is 4055555461. The next prime is 4055555521. The reversal of 4055555520 is 255555504.

4055555520 is a `hidden beast` number, since 4 + 0 + 55 + 55 + 552 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055555521) 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, 3170241 + ... + 3171519.

Almost surely, 2^4055555520 is an apocalyptic number.

4055555520 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 4055555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7178649600).

4055555520 is an abundant number, since it is smaller than the sum of its proper divisors (10301743680).

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

4055555520 is a wasteful number, since it uses less digits than its factorization.

4055555520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The square root of 4055555520 is about 63683.2436359832. The cubic root of 4055555520 is about 1594.7163628593.

The spelling of 4055555520 in words is "four billion, fifty-five million, five hundred fifty-five thousand, five hundred twenty".