42442240020 has 48 divisors (see below), whose sum is σ = 118850036928. Its totient is φ = 11316810240.

The previous prime is 42442240007. The next prime is 42442240037. The reversal of 42442240020 is 2004224424.

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 15 ways as a sum of consecutive naturals, for example, 705567 + ... + 763353.

It is an arithmetic number, because the mean of its divisors is an integer number (2476042436).

Almost surely, 2^42442240020 is an apocalyptic number.

It is an amenable number.

42442240020 is an abundant number, since it is smaller than the sum of its proper divisors (76407796908).

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

42442240020 is a wasteful number, since it uses less digits than its factorization.

42442240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70040 (or 70038 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42442240020 its reverse (2004224424), we get a palindrome (44446464444).

The spelling of 42442240020 in words is "forty-two billion, four hundred forty-two million, two hundred forty thousand, twenty".