4040261 has 12 divisors (see below), whose sum is σ = 4333440. Its totient is φ = 3761880.

The previous prime is 4040233. The next prime is 4040279. The reversal of 4040261 is 1620404.

It is a de Polignac number, because none of the positive numbers 2^k-4040261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68450 + ... + 68508.

It is an arithmetic number, because the mean of its divisors is an integer number (361120).

Almost surely, 2^4040261 is an apocalyptic number.

It is an amenable number.

4040261 is a deficient number, since it is larger than the sum of its proper divisors (293179).

4040261 is an equidigital number, since it uses as much as digits as its factorization.

4040261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4040261 is about 2010.0400493523. The cubic root of 4040261 is about 159.2709145320.

Adding to 4040261 its reverse (1620404), we get a palindrome (5660665).

The spelling of 4040261 in words is "four million, forty thousand, two hundred sixty-one".