38621471044 has 12 divisors (see below), whose sum is σ = 72786618604. Its totient is φ = 17825294304.

The previous prime is 38621471041. The next prime is 38621471087. The reversal of 38621471044 is 44017412683.

It can be written as a sum of positive squares in 2 ways, for example, as 14469202944 + 24152268100 = 120288^2 + 155410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38621470988 and 38621471006.

It is not an unprimeable number, because it can be changed into a prime (38621471041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371360247 + ... + 371360350.

Almost surely, 2^38621471044 is an apocalyptic number.

It is an amenable number.

38621471044 is a deficient number, since it is larger than the sum of its proper divisors (34165147560).

38621471044 is a wasteful number, since it uses less digits than its factorization.

38621471044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742720614 (or 742720612 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 38621471044 in words is "thirty-eight billion, six hundred twenty-one million, four hundred seventy-one thousand, forty-four".