1942338366 has 72 divisors (see below), whose sum is σ = 4636424520. Its totient is φ = 609316992.

The previous prime is 1942338341. The next prime is 1942338413. The reversal of 1942338366 is 6638332491.

1942338366 is a `hidden beast` number, since 194 + 23 + 383 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133540 + ... + 147368.

It is an arithmetic number, because the mean of its divisors is an integer number (64394785).

Almost surely, 2^1942338366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942338366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318212260).

1942338366 is an abundant number, since it is smaller than the sum of its proper divisors (2694086154).

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

1942338366 is a wasteful number, since it uses less digits than its factorization.

1942338366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880 (or 13851 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1942338366 is about 44071.9680295764. The cubic root of 1942338366 is about 1247.6946021398.

The spelling of 1942338366 in words is "one billion, nine hundred forty-two million, three hundred thirty-eight thousand, three hundred sixty-six".