4018680 has 96 divisors (see below), whose sum is σ = 13618800. Its totient is φ = 1054080.

The previous prime is 4018649. The next prime is 4018699. The reversal of 4018680 is 868104.

It is a super-2 number, since 2×4018680² = 32299577884800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65850 + ... + 65910.

Almost surely, 2^4018680 is an apocalyptic number.

4018680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4018680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6809400).

4018680 is an abundant number, since it is smaller than the sum of its proper divisors (9600120).

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

4018680 is a wasteful number, since it uses less digits than its factorization.

4018680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 4018680 is about 2004.6645604689. The cubic root of 4018680 is about 158.9868269613.

The spelling of 4018680 in words is "four million, eighteen thousand, six hundred eighty".