40885413 has 4 divisors (see below), whose sum is σ = 54513888. Its totient is φ = 27256940.

The previous prime is 40885399. The next prime is 40885417. The reversal of 40885413 is 31458804.

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 a cyclic number.

It is not a de Polignac number, because 40885413 - 2⁵ = 40885381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40885417) 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, 6814233 + ... + 6814238.

It is an arithmetic number, because the mean of its divisors is an integer number (13628472).

Almost surely, 2^40885413 is an apocalyptic number.

It is an amenable number.

40885413 is a deficient number, since it is larger than the sum of its proper divisors (13628475).

40885413 is a wasteful number, since it uses less digits than its factorization.

40885413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628474.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 40885413 is about 6394.1702354567. The cubic root of 40885413 is about 344.5001878295.

The spelling of 40885413 in words is "forty million, eight hundred eighty-five thousand, four hundred thirteen".