1552725328 has 240 divisors, whose sum is σ = 4111344000. Its totient is φ = 562974720.

The previous prime is 1552725319. The next prime is 1552725367. The reversal of 1552725328 is 8235272551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17446308 + ... + 17446396.

It is an arithmetic number, because the mean of its divisors is an integer number (17130600).

Almost surely, 2^1552725328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552725328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055672000).

1552725328 is an abundant number, since it is smaller than the sum of its proper divisors (2558618672).

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

1552725328 is a wasteful number, since it uses less digits than its factorization.

1552725328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 126 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 1552725328 is about 39404.6358693999. The cubic root of 1552725328 is about 1157.9724112295.

Adding to 1552725328 its reverse (8235272551), we get a palindrome (9787997879).

The spelling of 1552725328 in words is "one billion, five hundred fifty-two million, seven hundred twenty-five thousand, three hundred twenty-eight".