555847381680 has 80 divisors (see below), whose sum is σ = 1726897742304. Its totient is φ = 147901593600.

The previous prime is 555847381637. The next prime is 555847381681. The reversal of 555847381680 is 86183748555.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (555847381681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424271 + ... + 2643630.

Almost surely, 2^555847381680 is an apocalyptic number.

It is an amenable number.

555847381680 is an abundant number, since it is smaller than the sum of its proper divisors (1171050360624).

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

555847381680 is a wasteful number, since it uses less digits than its factorization.

555847381680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068374 (or 5068368 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 555847381680 in words is "five hundred fifty-five billion, eight hundred forty-seven million, three hundred eighty-one thousand, six hundred eighty".