40110913 has 4 divisors (see below), whose sum is σ = 40123588. Its totient is φ = 40098240.

The previous prime is 40110901. The next prime is 40110929. The reversal of 40110913 is 31901104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8661249 + 31449664 = 2943^2 + 5608^2 .

It is a cyclic number.

It is not a de Polignac number, because 40110913 - 2⁹ = 40110401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40110943) 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, 2845 + ... + 9397.

It is an arithmetic number, because the mean of its divisors is an integer number (10030897).

Almost surely, 2^40110913 is an apocalyptic number.

It is an amenable number.

40110913 is a deficient number, since it is larger than the sum of its proper divisors (12675).

40110913 is an equidigital number, since it uses as much as digits as its factorization.

40110913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 40110913 is about 6333.3176929631. The cubic root of 40110913 is about 342.3109952271.

The spelling of 40110913 in words is "forty million, one hundred ten thousand, nine hundred thirteen".