40331680 has 48 divisors (see below), whose sum is σ = 100306080. Its totient is φ = 15282432.

The previous prime is 40331671. The next prime is 40331747. The reversal of 40331680 is 8613304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3594 + ... + 9673.

It is an arithmetic number, because the mean of its divisors is an integer number (2089710).

Almost surely, 2^40331680 is an apocalyptic number.

40331680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40331680 is an abundant number, since it is smaller than the sum of its proper divisors (59974400).

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

40331680 is a wasteful number, since it uses less digits than its factorization.

40331680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301 (or 13293 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40331680 is about 6350.7227935094. The cubic root of 40331680 is about 342.9378632693.

Adding to 40331680 its reverse (8613304), we get a palindrome (48944984).

The spelling of 40331680 in words is "forty million, three hundred thirty-one thousand, six hundred eighty".