16144441240 has 32 divisors (see below), whose sum is σ = 36352486080. Its totient is φ = 6452888832.

The previous prime is 16144441207. The next prime is 16144441241. The reversal of 16144441240 is 4214444161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16144441241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98997 + ... + 205156.

It is an arithmetic number, because the mean of its divisors is an integer number (1136015190).

Almost surely, 2^16144441240 is an apocalyptic number.

16144441240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16144441240 is an abundant number, since it is smaller than the sum of its proper divisors (20208044840).

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

16144441240 is a wasteful number, since it uses less digits than its factorization.

16144441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305491 (or 305487 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 16144441240 in words is "sixteen billion, one hundred forty-four million, four hundred forty-one thousand, two hundred forty".