1943344242 has 96 divisors (see below), whose sum is σ = 4962072960. Its totient is φ = 538202880.

The previous prime is 1943344241. The next prime is 1943344309. The reversal of 1943344242 is 2424433491.

It is a junction number, because it is equal to n+sod(n) for n = 1943344197 and 1943344206.

It is not an unprimeable number, because it can be changed into a prime (1943344241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 540892 + ... + 544472.

It is an arithmetic number, because the mean of its divisors is an integer number (51688260).

Almost surely, 2^1943344242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1943344242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2481036480).

1943344242 is an abundant number, since it is smaller than the sum of its proper divisors (3018728718).

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

1943344242 is a wasteful number, since it uses less digits than its factorization.

1943344242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3725 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 1943344242 is about 44083.3782961333. The cubic root of 1943344242 is about 1247.9099455791.

The spelling of 1943344242 in words is "one billion, nine hundred forty-three million, three hundred forty-four thousand, two hundred forty-two".