555561672844 has 12 divisors (see below), whose sum is σ = 972257025600. Its totient is φ = 277773951248.

The previous prime is 555561672793. The next prime is 555561672871. The reversal of 555561672844 is 448276165555.

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, 1537564 + ... + 1864195.

It is an arithmetic number, because the mean of its divisors is an integer number (81021418800).

Almost surely, 2^555561672844 is an apocalyptic number.

It is an amenable number.

555561672844 is a deficient number, since it is larger than the sum of its proper divisors (416695352756).

555561672844 is a wasteful number, since it uses less digits than its factorization.

555561672844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442592 (or 3442590 counting only the distinct ones).

The product of its digits is 40320000, while the sum is 58.

The spelling of 555561672844 in words is "five hundred fifty-five billion, five hundred sixty-one million, six hundred seventy-two thousand, eight hundred forty-four".