40549732 has 6 divisors (see below), whose sum is σ = 70962038. Its totient is φ = 20274864.

The previous prime is 40549727. The next prime is 40549739. The reversal of 40549732 is 23794504.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 910116 = 6296^2 + 954^2 .

It is not an unprimeable number, because it can be changed into a prime (40549739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068713 + ... + 5068720.

Almost surely, 2^40549732 is an apocalyptic number.

It is an amenable number.

40549732 is a deficient number, since it is larger than the sum of its proper divisors (30412306).

40549732 is a wasteful number, since it uses less digits than its factorization.

40549732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137437 (or 10137435 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 40549732 is about 6367.8671468554. The cubic root of 40549732 is about 343.5547805256.

The spelling of 40549732 in words is "forty million, five hundred forty-nine thousand, seven hundred thirty-two".