40853340 has 144 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 9671040.

The previous prime is 40853333. The next prime is 40853341. The reversal of 40853340 is 4335804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40853341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92841 + ... + 93279.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^40853340 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 40853340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69189120).

40853340 is an abundant number, since it is smaller than the sum of its proper divisors (97524900).

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

40853340 is a wasteful number, since it uses less digits than its factorization.

40853340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40853340 is about 6391.6617557565. The cubic root of 40853340 is about 344.4100819769.

The spelling of 40853340 in words is "forty million, eight hundred fifty-three thousand, three hundred forty".