42723441852 has 96 divisors (see below), whose sum is σ = 122857416192. Its totient is φ = 11252618496.

The previous prime is 42723441823. The next prime is 42723441853. The reversal of 42723441852 is 25814432724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42723441853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800803 + ... + 852485.

It is an arithmetic number, because the mean of its divisors is an integer number (1279764752).

Almost surely, 2^42723441852 is an apocalyptic number.

42723441852 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 42723441852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61428708096).

42723441852 is an abundant number, since it is smaller than the sum of its proper divisors (80133974340).

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

42723441852 is a wasteful number, since it uses less digits than its factorization.

42723441852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52467 (or 52465 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The spelling of 42723441852 in words is "forty-two billion, seven hundred twenty-three million, four hundred forty-one thousand, eight hundred fifty-two".