19228149600 has 288 divisors, whose sum is σ = 68440619520. Its totient is φ = 4650240000.

The previous prime is 19228149593. The next prime is 19228149617. The reversal of 19228149600 is 694182291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18505881 + ... + 18506919.

It is an arithmetic number, because the mean of its divisors is an integer number (237641040).

Almost surely, 2^19228149600 is an apocalyptic number.

19228149600 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 19228149600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34220309760).

19228149600 is an abundant number, since it is smaller than the sum of its proper divisors (49212469920).

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

19228149600 is a wasteful number, since it uses less digits than its factorization.

19228149600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 19228149600 in words is "nineteen billion, two hundred twenty-eight million, one hundred forty-nine thousand, six hundred".