16400930880 has 224 divisors, whose sum is σ = 55838384640. Its totient is φ = 4063887360.

The previous prime is 16400930839. The next prime is 16400930939. The reversal of 16400930880 is 8803900461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1282920 + ... + 1295640.

Almost surely, 2^16400930880 is an apocalyptic number.

16400930880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16400930880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27919192320).

16400930880 is an abundant number, since it is smaller than the sum of its proper divisors (39437453760).

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

16400930880 is a wasteful number, since it uses less digits than its factorization.

16400930880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837 (or 12827 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 16400930880 in words is "sixteen billion, four hundred million, nine hundred thirty thousand, eight hundred eighty".