40113424 has 20 divisors (see below), whose sum is σ = 83698636. Its totient is φ = 18513792.

The previous prime is 40113413. The next prime is 40113461. The reversal of 40113424 is 42431104.

It can be written as a sum of positive squares in 2 ways, for example, as 17073424 + 23040000 = 4132^2 + 4800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96219 + ... + 96634.

Almost surely, 2^40113424 is an apocalyptic number.

It is an amenable number.

40113424 is an abundant number, since it is smaller than the sum of its proper divisors (43585212).

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

40113424 is a wasteful number, since it uses less digits than its factorization.

40113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192874 (or 192868 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40113424 is about 6333.5159271924. The cubic root of 40113424 is about 342.3181381292.

Adding to 40113424 its reverse (42431104), we get a palindrome (82544528).

The spelling of 40113424 in words is "forty million, one hundred thirteen thousand, four hundred twenty-four".