4166040 has 64 divisors (see below), whose sum is σ = 12636000. Its totient is φ = 1098752.

The previous prime is 4166027. The next prime is 4166047. The reversal of 4166040 is 406614.

It is a junction number, because it is equal to n+sod(n) for n = 4165998 and 4166016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17764 + ... + 17996.

Almost surely, 2^4166040 is an apocalyptic number.

4166040 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 4166040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6318000).

4166040 is an abundant number, since it is smaller than the sum of its proper divisors (8469960).

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

4166040 is a wasteful number, since it uses less digits than its factorization.

4166040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4166040 is about 2041.0879451900. The cubic root of 4166040 is about 160.9068298296.

The spelling of 4166040 in words is "four million, one hundred sixty-six thousand, forty".