16440016260 has 96 divisors (see below), whose sum is σ = 49776975360. Its totient is φ = 4038320128.

The previous prime is 16440016189. The next prime is 16440016261. The reversal of 16440016260 is 6261004461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (16440016261) 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, 123525 + ... + 219404.

It is an arithmetic number, because the mean of its divisors is an integer number (518510160).

Almost surely, 2^16440016260 is an apocalyptic number.

16440016260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16440016260 is an abundant number, since it is smaller than the sum of its proper divisors (33336959100).

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

16440016260 is a wasteful number, since it uses less digits than its factorization.

16440016260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343005 (or 343003 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 16440016260 in words is "sixteen billion, four hundred forty million, sixteen thousand, two hundred sixty".