40687532 has 6 divisors (see below), whose sum is σ = 71203188. Its totient is φ = 20343764.

The previous prime is 40687481. The next prime is 40687541. The reversal of 40687532 is 23578604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40687492 and 40687501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085938 + ... + 5085945.

It is an arithmetic number, because the mean of its divisors is an integer number (11867198).

Almost surely, 2^40687532 is an apocalyptic number.

It is an amenable number.

40687532 is a deficient number, since it is larger than the sum of its proper divisors (30515656).

40687532 is a wasteful number, since it uses less digits than its factorization.

40687532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171887 (or 10171885 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 40687532 is about 6378.6779194438. The cubic root of 40687532 is about 343.9435074890.

The spelling of 40687532 in words is "forty million, six hundred eighty-seven thousand, five hundred thirty-two".