40724548 has 6 divisors (see below), whose sum is σ = 71267966. Its totient is φ = 20362272.

The previous prime is 40724533. The next prime is 40724587. The reversal of 40724548 is 84542704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31002624 + 9721924 = 5568^2 + 3118^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5090565 + ... + 5090572.

Almost surely, 2^40724548 is an apocalyptic number.

It is an amenable number.

40724548 is a deficient number, since it is larger than the sum of its proper divisors (30543418).

40724548 is a wasteful number, since it uses less digits than its factorization.

40724548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181141 (or 10181139 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 40724548 is about 6381.5788015193. The cubic root of 40724548 is about 344.0477782024.

The spelling of 40724548 in words is "forty million, seven hundred twenty-four thousand, five hundred forty-eight".