16822548400 has 120 divisors (see below), whose sum is σ = 46543521024. Its totient is φ = 5723577600.

The previous prime is 16822548389. The next prime is 16822548469. The reversal of 16822548400 is 484522861.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343869 + ... + 389731.

Almost surely, 2^16822548400 is an apocalyptic number.

16822548400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16822548400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23271760512).

16822548400 is an abundant number, since it is smaller than the sum of its proper divisors (29720972624).

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

16822548400 is a wasteful number, since it uses less digits than its factorization.

16822548400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46019 (or 46008 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 16822548400 in words is "sixteen billion, eight hundred twenty-two million, five hundred forty-eight thousand, four hundred".