40113418 has 8 divisors (see below), whose sum is σ = 60702948. Its totient is φ = 19879104.

The previous prime is 40113413. The next prime is 40113461. The reversal of 40113418 is 81431104.

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 15342889 = 4977^2 + 3917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40113413) 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, 88521 + ... + 88972.

Almost surely, 2^40113418 is an apocalyptic number.

40113418 is a deficient number, since it is larger than the sum of its proper divisors (20589530).

40113418 is a wasteful number, since it uses less digits than its factorization.

40113418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177608.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 40113418 is about 6333.5154535218. The cubic root of 40113418 is about 342.3181210617.

The spelling of 40113418 in words is "forty million, one hundred thirteen thousand, four hundred eighteen".