3973838228560 has 40 divisors (see below), whose sum is σ = 9279875130336. Its totient is φ = 1582532926080.

The previous prime is 3973838228551. The next prime is 3973838228567. The reversal of 3973838228560 is 658228383793.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3973838228492 and 3973838228501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973838228567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109393686 + ... + 109430005.

Almost surely, 2^{3973838228560} is an apocalyptic number.

It is an amenable number.

3973838228560 is an abundant number, since it is smaller than the sum of its proper divisors (5306036901776).

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

3973838228560 is a wasteful number, since it uses less digits than its factorization.

3973838228560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218823931 (or 218823925 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 3973838228560 in words is "three trillion, nine hundred seventy-three billion, eight hundred thirty-eight million, two hundred twenty-eight thousand, five hundred sixty".