16442402132 has 24 divisors (see below), whose sum is σ = 31184992776. Its totient is φ = 7540460928.

The previous prime is 16442402113. The next prime is 16442402143. The reversal of 16442402132 is 23120424461.

It can be written as a sum of positive squares in 4 ways, for example, as 815902096 + 15626500036 = 28564^2 + 125006^2 .

It is a super-3 number, since 3×16442402132³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442402095 and 16442402104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998843 + ... + 1015170.

It is an arithmetic number, because the mean of its divisors is an integer number (1299374699).

Almost surely, 2^16442402132 is an apocalyptic number.

It is an amenable number.

16442402132 is a deficient number, since it is larger than the sum of its proper divisors (14742590644).

16442402132 is a wasteful number, since it uses less digits than its factorization.

16442402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014187 (or 2014185 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 16442402132 its reverse (23120424461), we get a palindrome (39562826593).

The spelling of 16442402132 in words is "sixteen billion, four hundred forty-two million, four hundred two thousand, one hundred thirty-two".