3551528004528 has 160 divisors (see below), whose sum is σ = 10507534617600. Its totient is φ = 1012588093440.

The previous prime is 3551528004511. The next prime is 3551528004533. The reversal of 3551528004528 is 8254008251553.

It is a happy number.

It is a super-2 number, since 2×3551528004528² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839404173 + ... + 839408403.

It is an arithmetic number, because the mean of its divisors is an integer number (65672091360).

Almost surely, 2^{3551528004528} 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 3551528004528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5253767308800).

3551528004528 is an abundant number, since it is smaller than the sum of its proper divisors (6956006613072).

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

3551528004528 is a wasteful number, since it uses less digits than its factorization.

3551528004528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915 (or 8909 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 3551528004528 in words is "three trillion, five hundred fifty-one billion, five hundred twenty-eight million, four thousand, five hundred twenty-eight".