5221451230400 has 84 divisors (see below), whose sum is σ = 12848517924960. Its totient is φ = 2088501734400.

The previous prime is 5221451230397. The next prime is 5221451230447. The reversal of 5221451230400 is 40321541225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61831406 + ... + 61915794.

Almost surely, 2^{5221451230400} is an apocalyptic number.

5221451230400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5221451230400 is an abundant number, since it is smaller than the sum of its proper divisors (7627066694560).

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

5221451230400 is a wasteful number, since it uses less digits than its factorization.

5221451230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123082 (or 123067 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 5221451230400 its reverse (40321541225), we get a palindrome (5261772771625).

The spelling of 5221451230400 in words is "five trillion, two hundred twenty-one billion, four hundred fifty-one million, two hundred thirty thousand, four hundred".