38945147660 has 12 divisors (see below), whose sum is σ = 81784810128. Its totient is φ = 15578059056.

The previous prime is 38945147653. The next prime is 38945147707. The reversal of 38945147660 is 6674154983.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973628672 + ... + 973628711.

It is an arithmetic number, because the mean of its divisors is an integer number (6815400844).

Almost surely, 2^38945147660 is an apocalyptic number.

It is an amenable number.

38945147660 is an abundant number, since it is smaller than the sum of its proper divisors (42839662468).

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

38945147660 is a wasteful number, since it uses less digits than its factorization.

38945147660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947257392 (or 1947257390 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 38945147660 in words is "thirty-eight billion, nine hundred forty-five million, one hundred forty-seven thousand, six hundred sixty".