4550440540212 has 72 divisors (see below), whose sum is σ = 13146197256192. Its totient is φ = 1300078382400.

The previous prime is 4550440540189. The next prime is 4550440540223. The reversal of 4550440540212 is 2120450440554.

4550440540212 is a `hidden beast` number, since 4 + 5 + 50 + 4 + 40 + 540 + 21 + 2 = 666.

It is a super-2 number, since 2×4550440540212² (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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6897037 + ... + 7527947.

Almost surely, 2^{4550440540212} is an apocalyptic number.

4550440540212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4550440540212 is an abundant number, since it is smaller than the sum of its proper divisors (8595756715980).

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

4550440540212 is a wasteful number, since it uses less digits than its factorization.

4550440540212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659549 (or 659544 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 4550440540212 its reverse (2120450440554), we get a palindrome (6670890980766).

The spelling of 4550440540212 in words is "four trillion, five hundred fifty billion, four hundred forty million, five hundred forty thousand, two hundred twelve".