8452745280 has 672 divisors, whose sum is σ = 35227954944. Its totient is φ = 1889132544.

The previous prime is 8452745269. The next prime is 8452745297. The reversal of 8452745280 is 825472548.

8452745280 is a `hidden beast` number, since 8 + 4 + 52 + 74 + 528 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28848814 + ... + 28849106.

It is an arithmetic number, because the mean of its divisors is an integer number (52422552).

Almost surely, 2^8452745280 is an apocalyptic number.

8452745280 is a gapful number since it is divisible by the number (80) 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 8452745280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17613977472).

8452745280 is an abundant number, since it is smaller than the sum of its proper divisors (26775209664).

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

8452745280 is a wasteful number, since it uses less digits than its factorization.

8452745280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The square root of 8452745280 is about 91938.8126962710. The cubic root of 8452745280 is about 2037.0386097171.

The spelling of 8452745280 in words is "eight billion, four hundred fifty-two million, seven hundred forty-five thousand, two hundred eighty".