38733400221 has 8 divisors (see below), whose sum is σ = 51729617664. Its totient is φ = 25779724800.

The previous prime is 38733400201. The next prime is 38733400261. The reversal of 38733400221 is 12200433783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38733400221 - 2³⁴ = 21553531037 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38733400201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10633380 + ... + 10637021.

It is an arithmetic number, because the mean of its divisors is an integer number (6466202208).

Almost surely, 2^38733400221 is an apocalyptic number.

It is an amenable number.

38733400221 is a deficient number, since it is larger than the sum of its proper divisors (12996217443).

38733400221 is a wasteful number, since it uses less digits than its factorization.

38733400221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271011.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 38733400221 in words is "thirty-eight billion, seven hundred thirty-three million, four hundred thousand, two hundred twenty-one".