3549571872 has 192 divisors, whose sum is σ = 11650480128. Its totient is φ = 919296000.

The previous prime is 3549571813. The next prime is 3549571877. The reversal of 3549571872 is 2781759453.

It is not an unprimeable number, because it can be changed into a prime (3549571877) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4663972 + ... + 4664732.

It is an arithmetic number, because the mean of its divisors is an integer number (60679584).

Almost surely, 2^3549571872 is an apocalyptic number.

3549571872 is a gapful number since it is divisible by the number (32) 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 3549571872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5825240064).

3549571872 is an abundant number, since it is smaller than the sum of its proper divisors (8100908256).

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

3549571872 is a wasteful number, since it uses less digits than its factorization.

3549571872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1415 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 3549571872 is about 59578.2835603712. The cubic root of 3549571872 is about 1525.4289750112.

The spelling of 3549571872 in words is "three billion, five hundred forty-nine million, five hundred seventy-one thousand, eight hundred seventy-two".