16340253444 has 60 divisors (see below), whose sum is σ = 42736055824. Its totient is φ = 5444276976.

The previous prime is 16340253439. The next prime is 16340253473. The reversal of 16340253444 is 44435204361.

16340253444 is a `hidden beast` number, since 163 + 4 + 0 + 2 + 53 + 444 = 666.

It is a super-3 number, since 3×16340253444³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16340253399 and 16340253408.

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 19 ways as a sum of consecutive naturals, for example, 789087 + ... + 809529.

Almost surely, 2^16340253444 is an apocalyptic number.

It is an amenable number.

16340253444 is an abundant number, since it is smaller than the sum of its proper divisors (26395802380).

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

16340253444 is a wasteful number, since it uses less digits than its factorization.

16340253444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22926 (or 22915 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 16340253444 in words is "sixteen billion, three hundred forty million, two hundred fifty-three thousand, four hundred forty-four".