16404441328 has 20 divisors (see below), whose sum is σ = 34673024088. Its totient is φ = 7456564160.

The previous prime is 16404441289. The next prime is 16404441341. The reversal of 16404441328 is 82314440461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46603351 + ... + 46603702.

Almost surely, 2^16404441328 is an apocalyptic number.

It is an amenable number.

16404441328 is an abundant number, since it is smaller than the sum of its proper divisors (18268582760).

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

16404441328 is a wasteful number, since it uses less digits than its factorization.

16404441328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93207072 (or 93207066 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 16404441328 its reverse (82314440461), we get a palindrome (98718881789).

The spelling of 16404441328 in words is "sixteen billion, four hundred four million, four hundred forty-one thousand, three hundred twenty-eight".