16440465244 has 24 divisors (see below), whose sum is σ = 32887421280. Its totient is φ = 7044522816.

The previous prime is 16440465233. The next prime is 16440465253. The reversal of 16440465244 is 44256404461.

It is a super-3 number, since 3×16440465244³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16440465197 and 16440465206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93354 + ... + 203950.

It is an arithmetic number, because the mean of its divisors is an integer number (1370309220).

Almost surely, 2^16440465244 is an apocalyptic number.

16440465244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16440465244 is an abundant number, since it is smaller than the sum of its proper divisors (16446956036).

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

16440465244 is a wasteful number, since it uses less digits than its factorization.

16440465244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115917 (or 115915 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 16440465244 in words is "sixteen billion, four hundred forty million, four hundred sixty-five thousand, two hundred forty-four".