42723384452 has 24 divisors (see below), whose sum is σ = 88203118080. Its totient is φ = 17719375680.

The previous prime is 42723384449. The next prime is 42723384481. The reversal of 42723384452 is 25448332724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24609377 + ... + 24611112.

It is an arithmetic number, because the mean of its divisors is an integer number (3675129920).

Almost surely, 2^42723384452 is an apocalyptic number.

It is an amenable number.

42723384452 is an abundant number, since it is smaller than the sum of its proper divisors (45479733628).

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

42723384452 is a wasteful number, since it uses less digits than its factorization.

42723384452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49220531 (or 49220529 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 44.

The spelling of 42723384452 in words is "forty-two billion, seven hundred twenty-three million, three hundred eighty-four thousand, four hundred fifty-two".