4040881 has 16 divisors (see below), whose sum is σ = 4630528. Its totient is φ = 3499200.

The previous prime is 4040873. The next prime is 4040887. The reversal of 4040881 is 1880404.

It is a 7-Lehmer number, since φ(4040881) divides (4040881-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 4040881 - 2³ = 4040873 is a prime.

It is a super-2 number, since 2×4040881² = 32657438512322, which contains 22 as substring.

It is a deceptive number, since it divides R_4040880.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040887) 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, 14776 + ... + 15046.

It is an arithmetic number, because the mean of its divisors is an integer number (289408).

Almost surely, 2^4040881 is an apocalyptic number.

It is an amenable number.

4040881 is a deficient number, since it is larger than the sum of its proper divisors (589647).

4040881 is a wasteful number, since it uses less digits than its factorization.

4040881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 4040881 is about 2010.1942692188. The cubic root of 4040881 is about 159.2790611110.

The spelling of 4040881 in words is "four million, forty thousand, eight hundred eighty-one".