555884488640 has 56 divisors (see below), whose sum is σ = 1425523021440. Its totient is φ = 205249655808.

The previous prime is 555884488603. The next prime is 555884488693. The reversal of 555884488640 is 46884488555.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

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, 66808880 + ... + 66817199.

It is an arithmetic number, because the mean of its divisors is an integer number (25455768240).

Almost surely, 2^555884488640 is an apocalyptic number.

It is an amenable number.

555884488640 is an abundant number, since it is smaller than the sum of its proper divisors (869638532800).

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

555884488640 is a wasteful number, since it uses less digits than its factorization.

555884488640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133626109 (or 133626099 counting only the distinct ones).

The product of its (nonzero) digits is 196608000, while the sum is 65.

The spelling of 555884488640 in words is "five hundred fifty-five billion, eight hundred eighty-four million, four hundred eighty-eight thousand, six hundred forty".