1642304512 has 88 divisors (see below), whose sum is σ = 3464113536. Its totient is φ = 776675328.

The previous prime is 1642304509. The next prime is 1642304549. The reversal of 1642304512 is 2154032461.

It is a super-2 number, since 2×1642304512² = 5394328220271116288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425518 + ... + 2426194.

Almost surely, 2^1642304512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1642304512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732056768).

1642304512 is an abundant number, since it is smaller than the sum of its proper divisors (1821809024).

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

1642304512 is a wasteful number, since it uses less digits than its factorization.

1642304512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1642304512 is about 40525.3564080564. The cubic root of 1642304512 is about 1179.8258174383.

Adding to 1642304512 its reverse (2154032461), we get a palindrome (3796336973).

The spelling of 1642304512 in words is "one billion, six hundred forty-two million, three hundred four thousand, five hundred twelve".