4550000421320 has 64 divisors (see below), whose sum is σ = 10514742174720. Its totient is φ = 1770718005504.

The previous prime is 4550000421313. The next prime is 4550000421401. The reversal of 4550000421320 is 231240000554.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4550000421320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32583569 + ... + 32722911.

It is an arithmetic number, because the mean of its divisors is an integer number (164292846480).

Almost surely, 2^{4550000421320} is an apocalyptic number.

4550000421320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4550000421320 is an abundant number, since it is smaller than the sum of its proper divisors (5964741753400).

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

4550000421320 is a wasteful number, since it uses less digits than its factorization.

4550000421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161454 (or 161450 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 4550000421320 its reverse (231240000554), we get a palindrome (4781240421874).

The spelling of 4550000421320 in words is "four trillion, five hundred fifty billion, four hundred twenty-one thousand, three hundred twenty".