4544457456 has 80 divisors (see below), whose sum is σ = 14636706048. Its totient is φ = 1180377600.

The previous prime is 4544457427. The next prime is 4544457457. The reversal of 4544457456 is 6547544454.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544457457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611085 + ... + 618476.

Almost surely, 2^4544457456 is an apocalyptic number.

It is an amenable number.

4544457456 is an abundant number, since it is smaller than the sum of its proper divisors (10092248592).

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

4544457456 is a wasteful number, since it uses less digits than its factorization.

4544457456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229590 (or 1229584 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 48.

The square root of 4544457456 is about 67412.5912274554. The cubic root of 4544457456 is about 1656.3826801201.

The spelling of 4544457456 in words is "four billion, five hundred forty-four million, four hundred fifty-seven thousand, four hundred fifty-six".