4017666420 has 120 divisors (see below), whose sum is σ = 12631737888. Its totient is φ = 1068984000.

The previous prime is 4017666397. The next prime is 4017666439. The reversal of 4017666420 is 246667104.

It is a super-2 number, since 2×4017666420² = 32283286924791232800, which contains 22 as substring.

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 39 ways as a sum of consecutive naturals, for example, 792895 + ... + 797945.

Almost surely, 2^4017666420 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 4017666420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6315868944).

4017666420 is an abundant number, since it is smaller than the sum of its proper divisors (8614071468).

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

4017666420 is a wasteful number, since it uses less digits than its factorization.

4017666420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563 (or 5552 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4017666420 is about 63385.0646445990. The cubic root of 4017666420 is about 1589.7345943619.

The spelling of 4017666420 in words is "four billion, seventeen million, six hundred sixty-six thousand, four hundred twenty".