38456344220 has 48 divisors (see below), whose sum is σ = 93022003200. Its totient is φ = 13081207104.

The previous prime is 38456344217. The next prime is 38456344231. The reversal of 38456344220 is 2244365483.

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 15 ways as a sum of consecutive naturals, for example, 1063670 + ... + 1099229.

It is an arithmetic number, because the mean of its divisors is an integer number (1937958400).

Almost surely, 2^38456344220 is an apocalyptic number.

It is an amenable number.

38456344220 is an abundant number, since it is smaller than the sum of its proper divisors (54565658980).

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

38456344220 is a wasteful number, since it uses less digits than its factorization.

38456344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163042 (or 2163040 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 38456344220 in words is "thirty-eight billion, four hundred fifty-six million, three hundred forty-four thousand, two hundred twenty".