555006428928 has 576 divisors, whose sum is σ = 1947515351040. Its totient is φ = 152616960000.

The previous prime is 555006428891. The next prime is 555006428957. The reversal of 555006428928 is 829824600555.

555006428928 is a `hidden beast` number, since 5 + 5 + 500 + 6 + 42 + 8 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×555006428928² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138714928 + ... + 138718928.

It is an arithmetic number, because the mean of its divisors is an integer number (3381103040).

Almost surely, 2^555006428928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555006428928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973757675520).

555006428928 is an abundant number, since it is smaller than the sum of its proper divisors (1392508922112).

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

555006428928 is a wasteful number, since it uses less digits than its factorization.

555006428928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4121 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 555006428928 in words is "five hundred fifty-five billion, six million, four hundred twenty-eight thousand, nine hundred twenty-eight".