38203047900 has 144 divisors (see below), whose sum is σ = 122921299200. Its totient is φ = 10178723520.

The previous prime is 38203047893. The next prime is 38203047913. The reversal of 38203047900 is 974030283.

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

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 47 ways as a sum of consecutive naturals, for example, 3512671 + ... + 3523529.

Almost surely, 2^38203047900 is an apocalyptic number.

38203047900 is a gapful number since it is divisible by the number (30) 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 38203047900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61460649600).

38203047900 is an abundant number, since it is smaller than the sum of its proper divisors (84718251300).

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

38203047900 is a wasteful number, since it uses less digits than its factorization.

38203047900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12185 (or 12172 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 38203047900 its sum of digits (36), we get a square (38203047936 = 195456²).

The spelling of 38203047900 in words is "thirty-eight billion, two hundred three million, forty-seven thousand, nine hundred".