42312140244 has 72 divisors (see below), whose sum is σ = 116787460608. Its totient is φ = 12809934720.

The previous prime is 42312140237. The next prime is 42312140287. The reversal of 42312140244 is 44204121324.

42312140244 is a `hidden beast` number, since 4 + 231 + 21 + 402 + 4 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 381304 + ... + 479600.

It is an arithmetic number, because the mean of its divisors is an integer number (1622048064).

Almost surely, 2^42312140244 is an apocalyptic number.

42312140244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42312140244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58393730304).

42312140244 is an abundant number, since it is smaller than the sum of its proper divisors (74475320364).

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

42312140244 is a wasteful number, since it uses less digits than its factorization.

42312140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99405 (or 99400 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42312140244 its reverse (44204121324), we get a palindrome (86516261568).

The spelling of 42312140244 in words is "forty-two billion, three hundred twelve million, one hundred forty thousand, two hundred forty-four".