4066037220 has 384 divisors, whose sum is σ = 14500684800. Its totient is φ = 829882368.

The previous prime is 4066037197. The next prime is 4066037243. The reversal of 4066037220 is 227306604.

It is an interprime number because it is at equal distance from previous prime (4066037197) and next prime (4066037243).

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 127 ways as a sum of consecutive naturals, for example, 15115246 + ... + 15115514.

It is an arithmetic number, because the mean of its divisors is an integer number (37762200).

Almost surely, 2^4066037220 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 4066037220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7250342400).

4066037220 is an abundant number, since it is smaller than the sum of its proper divisors (10434647580).

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

4066037220 is a wasteful number, since it uses less digits than its factorization.

4066037220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 4066037220 is about 63765.4861190597. The cubic root of 4066037220 is about 1596.0890444098.

The spelling of 4066037220 in words is "four billion, sixty-six million, thirty-seven thousand, two hundred twenty".