42120032244 has 24 divisors (see below), whose sum is σ = 99464174880. Its totient is φ = 13870853664.

The previous prime is 42120032243. The next prime is 42120032249. The reversal of 42120032244 is 44223002124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120032243) 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, 21143599 + ... + 21145590.

It is an arithmetic number, because the mean of its divisors is an integer number (4144340620).

Almost surely, 2^42120032244 is an apocalyptic number.

It is an amenable number.

42120032244 is an abundant number, since it is smaller than the sum of its proper divisors (57344142636).

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

42120032244 is a wasteful number, since it uses less digits than its factorization.

42120032244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42289279 (or 42289277 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42120032244 its reverse (44223002124), we get a palindrome (86343034368).

The spelling of 42120032244 in words is "forty-two billion, one hundred twenty million, thirty-two thousand, two hundred forty-four".