4250549520 has 400 divisors, whose sum is σ = 17090156160. Its totient is φ = 958998528.

The previous prime is 4250549509. The next prime is 4250549539. The reversal of 4250549520 is 259450524.

4250549520 is a `hidden beast` number, since 42 + 50 + 5 + 49 + 520 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3764316 + ... + 3765444.

Almost surely, 2^4250549520 is an apocalyptic number.

4250549520 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 4250549520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8545078080).

4250549520 is an abundant number, since it is smaller than the sum of its proper divisors (12839606640).

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

4250549520 is a wasteful number, since it uses less digits than its factorization.

4250549520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 4250549520 is about 65196.2385418055. The cubic root of 4250549520 is about 1619.8757106291.

The spelling of 4250549520 in words is "four billion, two hundred fifty million, five hundred forty-nine thousand, five hundred twenty".