40335488 has 32 divisors (see below), whose sum is σ = 80846220. Its totient is φ = 20044800.

The previous prime is 40335487. The next prime is 40335497. The reversal of 40335488 is 88453304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22963264 + 17372224 = 4792^2 + 4168^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (40335481) 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, 22298 + ... + 24038.

Almost surely, 2^40335488 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 40335488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40423110).

40335488 is an abundant number, since it is smaller than the sum of its proper divisors (40510732).

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

40335488 is a wasteful number, since it uses less digits than its factorization.

40335488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 40335488 is about 6351.0225948268. The cubic root of 40335488 is about 342.9486559950.

The spelling of 40335488 in words is "forty million, three hundred thirty-five thousand, four hundred eighty-eight".