5451264448 has 28 divisors (see below), whose sum is σ = 12362690032. Its totient is φ = 2336256000.

The previous prime is 5451264443. The next prime is 5451264449. The reversal of 5451264448 is 8444621545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451264443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6083553 + ... + 6084448.

It is an arithmetic number, because the mean of its divisors is an integer number (441524644).

Almost surely, 2^5451264448 is an apocalyptic number.

It is an amenable number.

5451264448 is an abundant number, since it is smaller than the sum of its proper divisors (6911425584).

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

5451264448 is a wasteful number, since it uses less digits than its factorization.

5451264448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168020 (or 12168010 counting only the distinct ones).

The product of its digits is 614400, while the sum is 43.

The square root of 5451264448 is about 73832.6787269702. The cubic root of 5451264448 is about 1759.9449500688.

The spelling of 5451264448 in words is "five billion, four hundred fifty-one million, two hundred sixty-four thousand, four hundred forty-eight".