4001858220 has 48 divisors (see below), whose sum is σ = 11230571520. Its totient is φ = 1064746176.

The previous prime is 4001858171. The next prime is 4001858269. The reversal of 4001858220 is 228581004.

4001858220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4001858171) and next prime (4001858269).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48700 + ... + 101859.

It is an arithmetic number, because the mean of its divisors is an integer number (233970240).

Almost surely, 2^4001858220 is an apocalyptic number.

It is an amenable number.

4001858220 is an abundant number, since it is smaller than the sum of its proper divisors (7228713300).

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

4001858220 is a wasteful number, since it uses less digits than its factorization.

4001858220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151014 (or 151012 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 4001858220 is about 63260.2420166095. The cubic root of 4001858220 is about 1587.6468256122.

The spelling of 4001858220 in words is "four billion, one million, eight hundred fifty-eight thousand, two hundred twenty".