1942352990 has 16 divisors (see below), whose sum is σ = 3648246048. Its totient is φ = 743161056.

The previous prime is 1942352977. The next prime is 1942353001. The reversal of 1942352990 is 992532491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 4222277 + ... + 4222736.

It is an arithmetic number, because the mean of its divisors is an integer number (228015378).

Almost surely, 2^1942352990 is an apocalyptic number.

1942352990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942352990 is a deficient number, since it is larger than the sum of its proper divisors (1705893058).

1942352990 is a wasteful number, since it uses less digits than its factorization.

1942352990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445043.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 1942352990 is about 44072.1339397130. The cubic root of 1942352990 is about 1247.6977334583.

The spelling of 1942352990 in words is "one billion, nine hundred forty-two million, three hundred fifty-two thousand, nine hundred ninety".