40510442 has 16 divisors (see below), whose sum is σ = 69556992. Its totient is φ = 17334000.

The previous prime is 40510441. The next prime is 40510453. The reversal of 40510442 is 24401504.

40510442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40510442² = 3282191822070728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40510441) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8588 + ... + 12440.

It is an arithmetic number, because the mean of its divisors is an integer number (4347312).

Almost surely, 2^40510442 is an apocalyptic number.

40510442 is a deficient number, since it is larger than the sum of its proper divisors (29046550).

40510442 is a wasteful number, since it uses less digits than its factorization.

40510442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40510442 is about 6364.7813788063. The cubic root of 40510442 is about 343.4437840721.

Adding to 40510442 its reverse (24401504), we get a palindrome (64911946).

The spelling of 40510442 in words is "forty million, five hundred ten thousand, four hundred forty-two".