4065476220 has 144 divisors (see below), whose sum is σ = 14061902400. Its totient is φ = 941856768.

The previous prime is 4065476213. The next prime is 4065476231. The reversal of 4065476220 is 226745604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11320 + ... + 90879.

It is an arithmetic number, because the mean of its divisors is an integer number (97652100).

Almost surely, 2^4065476220 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 4065476220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7030951200).

4065476220 is an abundant number, since it is smaller than the sum of its proper divisors (9996426180).

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

4065476220 is a wasteful number, since it uses less digits than its factorization.

4065476220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102244 (or 102239 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 4065476220 is about 63761.0870359030. The cubic root of 4065476220 is about 1596.0156357411.

The spelling of 4065476220 in words is "four billion, sixty-five million, four hundred seventy-six thousand, two hundred twenty".