40335340 has 48 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 15364800.

The previous prime is 40335331. The next prime is 40335367. The reversal of 40335340 is 4353304.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41055 + ... + 42025.

It is an arithmetic number, because the mean of its divisors is an integer number (1850688).

Almost surely, 2^40335340 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 40335340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44416512).

40335340 is an abundant number, since it is smaller than the sum of its proper divisors (48497684).

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

40335340 is a wasteful number, since it uses less digits than its factorization.

40335340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 40335340 is about 6351.0109431491. The cubic root of 40335340 is about 342.9482365425.

Adding to 40335340 its reverse (4353304), we get a palindrome (44688644).

The spelling of 40335340 in words is "forty million, three hundred thirty-five thousand, three hundred forty".