42440025111 has 16 divisors (see below), whose sum is σ = 62576578560. Its totient is φ = 25368880320.

The previous prime is 42440025097. The next prime is 42440025157. The reversal of 42440025111 is 11152004424.

It is not a de Polignac number, because 42440025111 - 2⁷ = 42440024983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440025181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8806231 + ... + 8811048.

It is an arithmetic number, because the mean of its divisors is an integer number (3911036160).

Almost surely, 2^42440025111 is an apocalyptic number.

42440025111 is a deficient number, since it is larger than the sum of its proper divisors (20136553449).

42440025111 is a wasteful number, since it uses less digits than its factorization.

42440025111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17617366.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 42440025111 its reverse (11152004424), we get a palindrome (53592029535).

The spelling of 42440025111 in words is "forty-two billion, four hundred forty million, twenty-five thousand, one hundred eleven".