16440351360 has 64 divisors (see below), whose sum is σ = 52403626080. Its totient is φ = 4384093184.

The previous prime is 16440351353. The next prime is 16440351383. The reversal of 16440351360 is 6315304461.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×16440351360³ (a number of 32 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4279422 + ... + 4283261.

Almost surely, 2^16440351360 is an apocalyptic number.

16440351360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16440351360 is an abundant number, since it is smaller than the sum of its proper divisors (35963274720).

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

16440351360 is an equidigital number, since it uses as much as digits as its factorization.

16440351360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562705 (or 8562693 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 16440351360 in words is "sixteen billion, four hundred forty million, three hundred fifty-one thousand, three hundred sixty".