1942797288 has 32 divisors (see below), whose sum is σ = 4902392160. Its totient is φ = 641545920.

The previous prime is 1942797271. The next prime is 1942797289. The reversal of 1942797288 is 8827972491.

It is a super-2 number, since 2×1942797288² = 7548922604520309888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1942797289) 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 7 ways as a sum of consecutive naturals, for example, 375703 + ... + 380838.

It is an arithmetic number, because the mean of its divisors is an integer number (153199755).

Almost surely, 2^1942797288 is an apocalyptic number.

It is an amenable number.

1942797288 is an abundant number, since it is smaller than the sum of its proper divisors (2959594872).

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

1942797288 is a wasteful number, since it uses less digits than its factorization.

1942797288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756657 (or 756653 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 57.

The square root of 1942797288 is about 44077.1742288455. The cubic root of 1942797288 is about 1247.7928598931.

The spelling of 1942797288 in words is "one billion, nine hundred forty-two million, seven hundred ninety-seven thousand, two hundred eighty-eight".