16402404712 has 64 divisors (see below), whose sum is σ = 32916255120. Its totient is φ = 7635468288.

The previous prime is 16402404703. The next prime is 16402404719. The reversal of 16402404712 is 21740420461.

16402404712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6999999556 + 9402405156 = 83666^2 + 96966^2 .

It is not an unprimeable number, because it can be changed into a prime (16402404719) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13477128 + ... + 13478344.

Almost surely, 2^16402404712 is an apocalyptic number.

It is an amenable number.

16402404712 is an abundant number, since it is smaller than the sum of its proper divisors (16513850408).

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

16402404712 is a wasteful number, since it uses less digits than its factorization.

16402404712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 16402404712 in words is "sixteen billion, four hundred two million, four hundred four thousand, seven hundred twelve".