40611361 has 16 divisors (see below), whose sum is σ = 48238848. Its totient is φ = 33465600.

The previous prime is 40611359. The next prime is 40611367. The reversal of 40611361 is 16311604.

It is a happy number.

40611361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40611361 - 2¹ = 40611359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40611367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19381 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (3014928).

Almost surely, 2^40611361 is an apocalyptic number.

40611361 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40611361 is a deficient number, since it is larger than the sum of its proper divisors (7627487).

40611361 is a wasteful number, since it uses less digits than its factorization.

40611361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 40611361 is about 6372.7043709872. The cubic root of 40611361 is about 343.7287415614.

Adding to 40611361 its reverse (16311604), we get a palindrome (56922965).

The spelling of 40611361 in words is "forty million, six hundred eleven thousand, three hundred sixty-one".