4556321280 has 800 divisors, whose sum is σ = 19345797504. Its totient is φ = 1003290624.

The previous prime is 4556321243. The next prime is 4556321293. The reversal of 4556321280 is 821236554.

4556321280 is a `hidden beast` number, since 4 + 5 + 5 + 632 + 12 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 62415324 + ... + 62415396.

Almost surely, 2^4556321280 is an apocalyptic number.

4556321280 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 4556321280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9672898752).

4556321280 is an abundant number, since it is smaller than the sum of its proper divisors (14789476224).

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

4556321280 is an equidigital number, since it uses as much as digits as its factorization.

4556321280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4556321280 is about 67500.5279979349. The cubic root of 4556321280 is about 1657.8228195370.

The spelling of 4556321280 in words is "four billion, five hundred fifty-six million, three hundred twenty-one thousand, two hundred eighty".