40041331 has 4 divisors (see below), whose sum is σ = 43681464. Its totient is φ = 36401200.

The previous prime is 40041319. The next prime is 40041359. The reversal of 40041331 is 13314004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40041331 - 2⁷ = 40041203 is a prime.

It is a super-2 number, since 2×40041331² = 3206616376503122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40041301) 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, 1820050 + ... + 1820071.

It is an arithmetic number, because the mean of its divisors is an integer number (10920366).

Almost surely, 2^40041331 is an apocalyptic number.

40041331 is a deficient number, since it is larger than the sum of its proper divisors (3640133).

40041331 is a wasteful number, since it uses less digits than its factorization.

40041331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640132.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40041331 is about 6327.8219791647. The cubic root of 40041331 is about 342.1129404813.

Adding to 40041331 its reverse (13314004), we get a palindrome (53355335).

It can be divided in two parts, 4004 and 1331, that added together give a palindrome (5335).

The spelling of 40041331 in words is "forty million, forty-one thousand, three hundred thirty-one".