38461843644 has 48 divisors (see below), whose sum is σ = 103622308608. Its totient is φ = 10875806208.

The previous prime is 38461843577. The next prime is 38461843661. The reversal of 38461843644 is 44634816483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352054 + ... + 2368349.

It is an arithmetic number, because the mean of its divisors is an integer number (2158798096).

Almost surely, 2^38461843644 is an apocalyptic number.

It is an amenable number.

38461843644 is an abundant number, since it is smaller than the sum of its proper divisors (65160464964).

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

38461843644 is a wasteful number, since it uses less digits than its factorization.

38461843644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720514 (or 4720512 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 51.

The spelling of 38461843644 in words is "thirty-eight billion, four hundred sixty-one million, eight hundred forty-three thousand, six hundred forty-four".