40913544 has 32 divisors (see below), whose sum is σ = 116896320. Its totient is φ = 11689536.

The previous prime is 40913513. The next prime is 40913549. The reversal of 40913544 is 44531904.

It is not an unprimeable number, because it can be changed into a prime (40913549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121599 + ... + 121934.

It is an arithmetic number, because the mean of its divisors is an integer number (3653010).

Almost surely, 2^40913544 is an apocalyptic number.

It is an amenable number.

40913544 is an abundant number, since it is smaller than the sum of its proper divisors (75982776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40913544 is a wasteful number, since it uses less digits than its factorization.

40913544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243549 (or 243545 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40913544 is about 6396.3695953251. The cubic root of 40913544 is about 344.5791802482.

The spelling of 40913544 in words is "forty million, nine hundred thirteen thousand, five hundred forty-four".