40563330 has 16 divisors (see below), whose sum is σ = 97352064. Its totient is φ = 10816880.

The previous prime is 40563307. The next prime is 40563331. The reversal of 40563330 is 3336504.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40563330.

It is not an unprimeable number, because it can be changed into a prime (40563331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676026 + ... + 676085.

It is an arithmetic number, because the mean of its divisors is an integer number (6084504).

Almost surely, 2^40563330 is an apocalyptic number.

40563330 is an abundant number, since it is smaller than the sum of its proper divisors (56788734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40563330 is a wasteful number, since it uses less digits than its factorization.

40563330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352121.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 40563330 is about 6368.9347617949. The cubic root of 40563330 is about 343.5931789364.

Adding to 40563330 its reverse (3336504), we get a palindrome (43899834).

The spelling of 40563330 in words is "forty million, five hundred sixty-three thousand, three hundred thirty".