6455043450 has 144 divisors (see below), whose sum is σ = 17799575040. Its totient is φ = 1676357760.

The previous prime is 6455043443. The next prime is 6455043461. The reversal of 6455043450 is 543405546.

6455043450 is a `hidden beast` number, since 64 + 550 + 4 + 3 + 45 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5054212 + ... + 5055488.

It is an arithmetic number, because the mean of its divisors is an integer number (123608160).

Almost surely, 2^6455043450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6455043450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8899787520).

6455043450 is an abundant number, since it is smaller than the sum of its proper divisors (11344531590).

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

6455043450 is a wasteful number, since it uses less digits than its factorization.

6455043450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 6455043450 is about 80343.2850336604. The cubic root of 6455043450 is about 1861.9430354190.

Adding to 6455043450 its reverse (543405546), we get a palindrome (6998448996).

The spelling of 6455043450 in words is "six billion, four hundred fifty-five million, forty-three thousand, four hundred fifty".