40663048 has 16 divisors (see below), whose sum is σ = 80728380. Its totient is φ = 19135488.

The previous prime is 40663043. The next prime is 40663067. The reversal of 40663048 is 84036604.

It can be written as a sum of positive squares in 2 ways, for example, as 40170244 + 492804 = 6338^2 + 702^2 .

It is not an unprimeable number, because it can be changed into a prime (40663043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149361 + ... + 149632.

Almost surely, 2^40663048 is an apocalyptic number.

It is an amenable number.

40663048 is a deficient number, since it is larger than the sum of its proper divisors (40065332).

40663048 is a wasteful number, since it uses less digits than its factorization.

40663048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299016 (or 299012 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40663048 is about 6376.7584241525. The cubic root of 40663048 is about 343.8745035285.

The spelling of 40663048 in words is "forty million, six hundred sixty-three thousand, forty-eight".