42131225244 has 24 divisors (see below), whose sum is σ = 99279523728. Its totient is φ = 13904694400.

The previous prime is 42131225243. The next prime is 42131225261. The reversal of 42131225244 is 44252213124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131225243) 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, 17379657 + ... + 17382080.

It is an arithmetic number, because the mean of its divisors is an integer number (4136646822).

Almost surely, 2^42131225244 is an apocalyptic number.

It is an amenable number.

42131225244 is an abundant number, since it is smaller than the sum of its proper divisors (57148298484).

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

42131225244 is a wasteful number, since it uses less digits than its factorization.

42131225244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34761845 (or 34761843 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 42131225244 its reverse (44252213124), we get a palindrome (86383438368).

The spelling of 42131225244 in words is "forty-two billion, one hundred thirty-one million, two hundred twenty-five thousand, two hundred forty-four".