6550640514000 has 240 divisors, whose sum is σ = 24959132138304. Its totient is φ = 1588034016000.

The previous prime is 6550640513999. The next prime is 6550640514007. The reversal of 6550640514000 is 4150460556.

6550640514000 is a `hidden beast` number, since 6 + 5 + 5 + 0 + 640 + 5 + 1 + 4 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×6550640514000² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550640514007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16344022 + ... + 16740021.

Almost surely, 2^{6550640514000} is an apocalyptic number.

6550640514000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6550640514000 is an abundant number, since it is smaller than the sum of its proper divisors (18408491624304).

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

6550640514000 is a wasteful number, since it uses less digits than its factorization.

6550640514000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33084083 (or 33084064 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 6550640514000 its reverse (4150460556), we get a palindrome (6554790974556).

The spelling of 6550640514000 in words is "six trillion, five hundred fifty billion, six hundred forty million, five hundred fourteen thousand".