16404032260 has 96 divisors (see below), whose sum is σ = 42981700608. Its totient is φ = 5109022080.

The previous prime is 16404032243. The next prime is 16404032263. The reversal of 16404032260 is 6223040461.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (16404032263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2502307 + ... + 2508853.

It is an arithmetic number, because the mean of its divisors is an integer number (447726048).

Almost surely, 2^16404032260 is an apocalyptic number.

16404032260 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 16404032260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21490850304).

16404032260 is an abundant number, since it is smaller than the sum of its proper divisors (26577668348).

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

16404032260 is a wasteful number, since it uses less digits than its factorization.

16404032260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201 (or 8199 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 16404032260 in words is "sixteen billion, four hundred four million, thirty-two thousand, two hundred sixty".