40628548 has 6 divisors (see below), whose sum is σ = 71099966. Its totient is φ = 20314272.

The previous prime is 40628537. The next prime is 40628561. The reversal of 40628548 is 84582604.

40628548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20629764 + 19998784 = 4542^2 + 4472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078565 + ... + 5078572.

Almost surely, 2^40628548 is an apocalyptic number.

It is an amenable number.

40628548 is a deficient number, since it is larger than the sum of its proper divisors (30471418).

40628548 is a wasteful number, since it uses less digits than its factorization.

40628548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157141 (or 10157139 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 40628548 is about 6374.0527139333. The cubic root of 40628548 is about 343.7772241579. Note that the first 3 decimals are identical.

The spelling of 40628548 in words is "forty million, six hundred twenty-eight thousand, five hundred forty-eight".