42248798172 has 144 divisors (see below), whose sum is σ = 125232936192. Its totient is φ = 11757461760.

The previous prime is 42248798171. The next prime is 42248798197. The reversal of 42248798172 is 27189784224.

42248798172 is a `hidden beast` number, since 4 + 2 + 2 + 487 + 98 + 1 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42248798171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7053763 + ... + 7059749.

It is an arithmetic number, because the mean of its divisors is an integer number (869673168).

Almost surely, 2^42248798172 is an apocalyptic number.

42248798172 is a gapful number since it is divisible by the number (42) 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 42248798172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62616468096).

42248798172 is an abundant number, since it is smaller than the sum of its proper divisors (82984138020).

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

42248798172 is a wasteful number, since it uses less digits than its factorization.

42248798172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 6723 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 42248798172 in words is "forty-two billion, two hundred forty-eight million, seven hundred ninety-eight thousand, one hundred seventy-two".