3549520008 has 64 divisors (see below), whose sum is σ = 9891072000. Its totient is φ = 1179418176.

The previous prime is 3549520003. The next prime is 3549520021. The reversal of 3549520008 is 8000259453.

It is a super-3 number, since 3×3549520008³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3549520003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42553 + ... + 94391.

It is an arithmetic number, because the mean of its divisors is an integer number (154548000).

Almost surely, 2^3549520008 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 3549520008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4945536000).

3549520008 is an abundant number, since it is smaller than the sum of its proper divisors (6341551992).

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

3549520008 is a wasteful number, since it uses less digits than its factorization.

3549520008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52171 (or 52161 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 3549520008 is about 59577.8482995148. The cubic root of 3549520008 is about 1525.4215454548.

The spelling of 3549520008 in words is "three billion, five hundred forty-nine million, five hundred twenty thousand, eight".