1942439418 has 48 divisors (see below), whose sum is σ = 4328251200. Its totient is φ = 629323200.

The previous prime is 1942439413. The next prime is 1942439441. The reversal of 1942439418 is 8149342491.

1942439418 is a `hidden beast` number, since 194 + 2 + 43 + 9 + 418 = 666.

It is not an unprimeable number, because it can be changed into a prime (1942439413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84243 + ... + 104793.

It is an arithmetic number, because the mean of its divisors is an integer number (90171900).

Almost surely, 2^1942439418 is an apocalyptic number.

1942439418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1942439418 is an abundant number, since it is smaller than the sum of its proper divisors (2385811782).

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

1942439418 is a wasteful number, since it uses less digits than its factorization.

1942439418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20707 (or 20704 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1942439418 is about 44073.1144576827. The cubic root of 1942439418 is about 1247.7162392639.

The spelling of 1942439418 in words is "one billion, nine hundred forty-two million, four hundred thirty-nine thousand, four hundred eighteen".