4572449280 has 240 divisors, whose sum is σ = 18098555904. Its totient is φ = 1045094400.

The previous prime is 4572449279. The next prime is 4572449281. The reversal of 4572449280 is 829442754.

It is an interprime number because it is at equal distance from previous prime (4572449279) and next prime (4572449281).

It is a tau number, because it is divible by the number of its divisors (240).

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 (4572449281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147105 + ... + 175455.

Almost surely, 2^4572449280 is an apocalyptic number.

4572449280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4572449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9049277952).

4572449280 is an abundant number, since it is smaller than the sum of its proper divisors (13526106624).

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

4572449280 is a wasteful number, since it uses less digits than its factorization.

4572449280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28387 (or 28368 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4572449280 is about 67619.8881986653. Note that the first 3 decimals coincide. The cubic root of 4572449280 is about 1659.7765799858.

The spelling of 4572449280 in words is "four billion, five hundred seventy-two million, four hundred forty-nine thousand, two hundred eighty".