40587532 has 12 divisors (see below), whose sum is σ = 71272656. Its totient is φ = 20223920.

The previous prime is 40587529. The next prime is 40587539. The reversal of 40587532 is 23578504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40587539) 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, 16144 + ... + 18487.

It is an arithmetic number, because the mean of its divisors is an integer number (5939388).

Almost surely, 2^40587532 is an apocalyptic number.

It is an amenable number.

40587532 is a deficient number, since it is larger than the sum of its proper divisors (30685124).

40587532 is a wasteful number, since it uses less digits than its factorization.

40587532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34928 (or 34926 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 40587532 is about 6370.8344822323. The cubic root of 40587532 is about 343.6614999941.

Subtracting from 40587532 its reverse (23578504), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 40587532 in words is "forty million, five hundred eighty-seven thousand, five hundred thirty-two".