16238682840 has 64 divisors (see below), whose sum is σ = 50032712160. Its totient is φ = 4213278720.

The previous prime is 16238682793. The next prime is 16238682881. The reversal of 16238682840 is 4828683261.

It is a super-2 number, since 2×16238682840² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16238682840.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1824241 + ... + 1833120.

Almost surely, 2^16238682840 is an apocalyptic number.

16238682840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16238682840 is an abundant number, since it is smaller than the sum of its proper divisors (33794029320).

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

16238682840 is a wasteful number, since it uses less digits than its factorization.

16238682840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657412 (or 3657408 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 16238682840 in words is "sixteen billion, two hundred thirty-eight million, six hundred eighty-two thousand, eight hundred forty".