555340546446400 has 168 divisors, whose sum is σ = 1605380782428864. Its totient is φ = 186408015513600.

The previous prime is 555340546446377. The next prime is 555340546446431. The reversal of 555340546446400 is 4644645043555.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1213365052 + ... + 1213822651.

It is an arithmetic number, because the mean of its divisors is an integer number (9555837990648).

Almost surely, 2^{555340546446400} is an apocalyptic number.

555340546446400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555340546446400 is an abundant number, since it is smaller than the sum of its proper divisors (1050040235982464).

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

555340546446400 is a wasteful number, since it uses less digits than its factorization.

555340546446400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427187749 (or 2427187734 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 55.

The spelling of 555340546446400 in words is "five hundred fifty-five trillion, three hundred forty billion, five hundred forty-six million, four hundred forty-six thousand, four hundred".