40241181 has 4 divisors (see below), whose sum is σ = 53654912. Its totient is φ = 26827452.

The previous prime is 40241171. The next prime is 40241207. The reversal of 40241181 is 18114204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40241181 - 2¹⁴ = 40224797 is a prime.

It is a super-2 number, since 2×40241181² = 3238705296549522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40241161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6706861 + ... + 6706866.

It is an arithmetic number, because the mean of its divisors is an integer number (13413728).

Almost surely, 2^40241181 is an apocalyptic number.

It is an amenable number.

40241181 is a deficient number, since it is larger than the sum of its proper divisors (13413731).

40241181 is a wasteful number, since it uses less digits than its factorization.

40241181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413730.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 40241181 is about 6343.5936975818. The cubic root of 40241181 is about 342.6811686486.

Adding to 40241181 its reverse (18114204), we get a palindrome (58355385).

The spelling of 40241181 in words is "forty million, two hundred forty-one thousand, one hundred eighty-one".