38073260644 has 24 divisors (see below), whose sum is σ = 67150369440. Its totient is φ = 18887589696.

The previous prime is 38073260629. The next prime is 38073260663. The reversal of 38073260644 is 44606237083.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38073260644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066939 + ... + 1102045.

It is an arithmetic number, because the mean of its divisors is an integer number (2797932060).

Almost surely, 2^38073260644 is an apocalyptic number.

It is an amenable number.

38073260644 is a deficient number, since it is larger than the sum of its proper divisors (29077108796).

38073260644 is a wasteful number, since it uses less digits than its factorization.

38073260644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37227 (or 37225 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 38073260644 in words is "thirty-eight billion, seventy-three million, two hundred sixty thousand, six hundred forty-four".