40531411 has 4 divisors (see below), whose sum is σ = 41520024. Its totient is φ = 39542800.

The previous prime is 40531373. The next prime is 40531423. The reversal of 40531411 is 11413504.

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

It is a cyclic number.

It is not a de Polignac number, because 40531411 - 2¹⁵ = 40498643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40531441) 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, 494245 + ... + 494326.

It is an arithmetic number, because the mean of its divisors is an integer number (10380006).

Almost surely, 2^40531411 is an apocalyptic number.

40531411 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40531411 is a deficient number, since it is larger than the sum of its proper divisors (988613).

40531411 is an equidigital number, since it uses as much as digits as its factorization.

40531411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988612.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40531411 is about 6366.4284335882. The cubic root of 40531411 is about 343.5030315989.

Adding to 40531411 its reverse (11413504), we get a palindrome (51944915).

The spelling of 40531411 in words is "forty million, five hundred thirty-one thousand, four hundred eleven".