5457273480 has 512 divisors, whose sum is σ = 20680704000. Its totient is φ = 1272775680.

The previous prime is 5457273463. The next prime is 5457273487. The reversal of 5457273480 is 843727545.

5457273480 is a `hidden beast` number, since 5 + 4 + 572 + 73 + 4 + 8 + 0 = 666.

It is a super-2 number, since 2×5457273480² = 59563667671022620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5457273487) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 14630574 + ... + 14630946.

It is an arithmetic number, because the mean of its divisors is an integer number (40392000).

Almost surely, 2^5457273480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5457273480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10340352000).

5457273480 is an abundant number, since it is smaller than the sum of its proper divisors (15223430520).

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

5457273480 is a wasteful number, since it uses less digits than its factorization.

5457273480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 5457273480 is about 73873.3610985719. The cubic root of 5457273480 is about 1760.5913861461.

The spelling of 5457273480 in words is "five billion, four hundred fifty-seven million, two hundred seventy-three thousand, four hundred eighty".