4452149520 has 360 divisors, whose sum is σ = 18506869056. Its totient is φ = 939174912.

The previous prime is 4452149509. The next prime is 4452149539. The reversal of 4452149520 is 259412544.

It is a happy number.

4452149520 is a `hidden beast` number, since 44 + 52 + 1 + 49 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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 (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 849147 + ... + 854373.

Almost surely, 2^4452149520 is an apocalyptic number.

4452149520 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 4452149520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9253434528).

4452149520 is an abundant number, since it is smaller than the sum of its proper divisors (14054719536).

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

4452149520 is a wasteful number, since it uses less digits than its factorization.

4452149520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279 (or 5257 counting only the distinct ones).

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

The square root of 4452149520 is about 66724.4297090653. The cubic root of 4452149520 is about 1645.0909518791.

The spelling of 4452149520 in words is "four billion, four hundred fifty-two million, one hundred forty-nine thousand, five hundred twenty".