4239455220 has 1152 divisors, whose sum is σ = 19219415040. Its totient is φ = 752716800.

The previous prime is 4239455203. The next prime is 4239455221. The reversal of 4239455220 is 225549324.

4239455220 is a `hidden beast` number, since 42 + 3 + 94 + 5 + 522 + 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 (4239455221) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 136756605 + ... + 136756635.

It is an arithmetic number, because the mean of its divisors is an integer number (16683520).

Almost surely, 2^4239455220 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 4239455220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9609707520).

4239455220 is an abundant number, since it is smaller than the sum of its proper divisors (14979959820).

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

4239455220 is a wasteful number, since it uses less digits than its factorization.

4239455220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

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

The square root of 4239455220 is about 65111.0990538480. The cubic root of 4239455220 is about 1618.4651443525.

The spelling of 4239455220 in words is "four billion, two hundred thirty-nine million, four hundred fifty-five thousand, two hundred twenty".