4449252528 has 180 divisors, whose sum is σ = 14521347360. Its totient is φ = 1267999488.

The previous prime is 4449252523. The next prime is 4449252539. The reversal of 4449252528 is 8252529444.

It is not an unprimeable number, because it can be changed into a prime (4449252523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5072826 + ... + 5073702.

It is an arithmetic number, because the mean of its divisors is an integer number (80674152).

Almost surely, 2^4449252528 is an apocalyptic number.

4449252528 is a gapful number since it is divisible by the number (48) 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 4449252528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7260673680).

4449252528 is an abundant number, since it is smaller than the sum of its proper divisors (10072094832).

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

4449252528 is a wasteful number, since it uses less digits than its factorization.

4449252528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1608 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 4449252528 is about 66702.7175458392. The cubic root of 4449252528 is about 1644.7340569023.

It can be divided in two parts, 44492 and 52528, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 4449252528 in words is "four billion, four hundred forty-nine million, two hundred fifty-two thousand, five hundred twenty-eight".