6550110455040 has 576 divisors, whose sum is σ = 24374964902400. Its totient is φ = 1663344377856.

The previous prime is 6550110455039. The next prime is 6550110455101. The reversal of 6550110455040 is 405540110556.

6550110455040 is a `hidden beast` number, since 6 + 5 + 50 + 1 + 10 + 4 + 550 + 40 = 666.

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

It is a super-2 number, since 2×6550110455040² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6550110454986 and 6550110455004.

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, 73118757 + ... + 73208283.

It is an arithmetic number, because the mean of its divisors is an integer number (42317647400).

Almost surely, 2^{6550110455040} is an apocalyptic number.

6550110455040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6550110455040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12187482451200).

6550110455040 is an abundant number, since it is smaller than the sum of its proper divisors (17824854447360).

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

6550110455040 is a wasteful number, since it uses less digits than its factorization.

6550110455040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89659 (or 89639 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 6550110455040 its reverse (405540110556), we get a palindrome (6955650565596).

The spelling of 6550110455040 in words is "six trillion, five hundred fifty billion, one hundred ten million, four hundred fifty-five thousand, forty".