40688332 has 12 divisors (see below), whose sum is σ = 71398096. Its totient is φ = 20288880.

The previous prime is 40688317. The next prime is 40688339. The reversal of 40688332 is 23388604.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40688339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12144 + ... + 15127.

Almost surely, 2^40688332 is an apocalyptic number.

It is an amenable number.

40688332 is a deficient number, since it is larger than the sum of its proper divisors (30709764).

40688332 is a wasteful number, since it uses less digits than its factorization.

40688332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27648 (or 27646 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 40688332 is about 6378.7406280550. The cubic root of 40688332 is about 343.9457616849.

The spelling of 40688332 in words is "forty million, six hundred eighty-eight thousand, three hundred thirty-two".