40113340 has 12 divisors (see below), whose sum is σ = 84238056. Its totient is φ = 16045328.

The previous prime is 40113329. The next prime is 40113341. The reversal of 40113340 is 4331104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113341) 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 3 ways as a sum of consecutive naturals, for example, 1002814 + ... + 1002853.

It is an arithmetic number, because the mean of its divisors is an integer number (7019838).

Almost surely, 2^40113340 is an apocalyptic number.

It is an amenable number.

40113340 is an abundant number, since it is smaller than the sum of its proper divisors (44124716).

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

40113340 is a wasteful number, since it uses less digits than its factorization.

40113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005676 (or 2005674 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40113340 is about 6333.5092958012. The cubic root of 40113340 is about 342.3178991839.

Adding to 40113340 its reverse (4331104), we get a palindrome (44444444).

The spelling of 40113340 in words is "forty million, one hundred thirteen thousand, three hundred forty".