40911845 has 32 divisors (see below), whose sum is σ = 56273280. Its totient is φ = 28304640.

The previous prime is 40911823. The next prime is 40911853. The reversal of 40911845 is 54811904.

It is not a de Polignac number, because 40911845 - 2⁸ = 40911589 is a prime.

It is a super-2 number, since 2×40911845² = 3347558122608050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193790 + ... + 194000.

It is an arithmetic number, because the mean of its divisors is an integer number (1758540).

Almost surely, 2^40911845 is an apocalyptic number.

It is an amenable number.

40911845 is a deficient number, since it is larger than the sum of its proper divisors (15361435).

40911845 is a wasteful number, since it uses less digits than its factorization.

40911845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 40911845 is about 6396.2367842349. The cubic root of 40911845 is about 344.5744104493.

The spelling of 40911845 in words is "forty million, nine hundred eleven thousand, eight hundred forty-five".