40113936 has 60 divisors (see below), whose sum is σ = 114671232. Its totient is φ = 13084608.

The previous prime is 40113919. The next prime is 40113937. The reversal of 40113936 is 63931104.

It is a super-2 number, since 2×40113936² = 3218255722824192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40113937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3805 + ... + 9731.

Almost surely, 2^40113936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40113936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57335616).

40113936 is an abundant number, since it is smaller than the sum of its proper divisors (74557296).

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

40113936 is a wasteful number, since it uses less digits than its factorization.

40113936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988 (or 5979 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 40113936 is about 6333.5563469507. The cubic root of 40113936 is about 342.3195945505.

The spelling of 40113936 in words is "forty million, one hundred thirteen thousand, nine hundred thirty-six".