1642308304 has 60 divisors (see below), whose sum is σ = 3986231844. Its totient is φ = 649700352.

The previous prime is 1642308287. The next prime is 1642308361. The reversal of 1642308304 is 4038032461.

It can be written as a sum of positive squares in 2 ways, for example, as 964226704 + 678081600 = 31052^2 + 26040^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70377 + ... + 90760.

Almost surely, 2^1642308304 is an apocalyptic number.

1642308304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1642308304 is an abundant number, since it is smaller than the sum of its proper divisors (2343923540).

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

1642308304 is a wasteful number, since it uses less digits than its factorization.

1642308304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161172 (or 161159 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1642308304 is about 40525.4031935526. The cubic root of 1642308304 is about 1179.8267254908.

The spelling of 1642308304 in words is "one billion, six hundred forty-two million, three hundred eight thousand, three hundred four".