6446452400 has 30 divisors (see below), whose sum is σ = 15487602852. Its totient is φ = 2578580800.

The previous prime is 6446452393. The next prime is 6446452417. The reversal of 6446452400 is 42546446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8057666 + ... + 8058465.

Almost surely, 2^6446452400 is an apocalyptic number.

It is an amenable number.

6446452400 is an abundant number, since it is smaller than the sum of its proper divisors (9041150452).

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

6446452400 is a wasteful number, since it uses less digits than its factorization.

6446452400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16116149 (or 16116138 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 6446452400 is about 80289.8025903664. The cubic root of 6446452400 is about 1861.1166455583.

Adding to 6446452400 its reverse (42546446), we get a palindrome (6488998846).

The spelling of 6446452400 in words is "six billion, four hundred forty-six million, four hundred fifty-two thousand, four hundred".