1642042088 has 16 divisors (see below), whose sum is σ = 3079282500. Its totient is φ = 820900096.

The previous prime is 1642042067. The next prime is 1642042099. The reversal of 1642042088 is 8802402461.

It can be written as a sum of positive squares in 2 ways, for example, as 1642032484 + 9604 = 40522^2 + 98^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72338 + ... + 92286.

Almost surely, 2^1642042088 is an apocalyptic number.

It is an amenable number.

1642042088 is a deficient number, since it is larger than the sum of its proper divisors (1437240412).

1642042088 is a wasteful number, since it uses less digits than its factorization.

1642042088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30244 (or 30240 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1642042088 is about 40522.1185033557. The cubic root of 1642042088 is about 1179.7629725963.

The spelling of 1642042088 in words is "one billion, six hundred forty-two million, forty-two thousand, eighty-eight".