40913810 has 32 divisors (see below), whose sum is σ = 84575232. Its totient is φ = 13959360.

The previous prime is 40913791. The next prime is 40913813. The reversal of 40913810 is 1831904.

It is a super-2 number, since 2×40913810² = 3347879697432200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40913810.

It is not an unprimeable number, because it can be changed into a prime (40913813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14300 + ... + 16920.

It is an arithmetic number, because the mean of its divisors is an integer number (2642976).

Almost surely, 2^40913810 is an apocalyptic number.

40913810 is an abundant number, since it is smaller than the sum of its proper divisors (43661422).

40913810 is a wasteful number, since it uses less digits than its factorization.

40913810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 40913810 is about 6396.3903883362. The cubic root of 40913810 is about 344.5799270088.

The spelling of 40913810 in words is "forty million, nine hundred thirteen thousand, eight hundred ten".