40442102 has 16 divisors (see below), whose sum is σ = 62277072. Its totient is φ = 19686240.

The previous prime is 40442063. The next prime is 40442111. The reversal of 40442102 is 20124404.

40442102 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 2×40442102² = 3271127228356808, which contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 35648 + ... + 36764.

It is an arithmetic number, because the mean of its divisors is an integer number (3892317).

Almost surely, 2^40442102 is an apocalyptic number.

40442102 is a deficient number, since it is larger than the sum of its proper divisors (21834970).

40442102 is a wasteful number, since it uses less digits than its factorization.

40442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40442102 is about 6359.4105072719. The cubic root of 40442102 is about 343.2505486353.

Adding to 40442102 its reverse (20124404), we get a palindrome (60566506).

The spelling of 40442102 in words is "forty million, four hundred forty-two thousand, one hundred two".