38549196800 has 156 divisors (see below), whose sum is σ = 96600689556. Its totient is φ = 15256780800.

The previous prime is 38549196799. The next prime is 38549196809. The reversal of 38549196800 is 869194583.

It can be written as a sum of positive squares in 6 ways, for example, as 396169216 + 38153027584 = 19904^2 + 195328^2 .

It is not an unprimeable number, because it can be changed into a prime (38549196809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9930860 + ... + 9934740.

Almost surely, 2^38549196800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38549196800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48300344778).

38549196800 is an abundant number, since it is smaller than the sum of its proper divisors (58051492756).

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

38549196800 is an equidigital number, since it uses as much as digits as its factorization.

38549196800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 38549196800 in words is "thirty-eight billion, five hundred forty-nine million, one hundred ninety-six thousand, eight hundred".