3549118464 has 240 divisors, whose sum is σ = 10758061440. Its totient is φ = 1156055040.

The previous prime is 3549118459. The next prime is 3549118493. The reversal of 3549118464 is 4648119453.

3549118464 is a `hidden beast` number, since 35 + 49 + 118 + 464 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31408072 + ... + 31408184.

It is an arithmetic number, because the mean of its divisors is an integer number (44825256).

Almost surely, 2^3549118464 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 3549118464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5379030720).

3549118464 is an abundant number, since it is smaller than the sum of its proper divisors (7208942976).

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

3549118464 is an equidigital number, since it uses as much as digits as its factorization.

3549118464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 189 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 3549118464 is about 59574.4782939809. The cubic root of 3549118464 is about 1525.3640215298.

The spelling of 3549118464 in words is "three billion, five hundred forty-nine million, one hundred eighteen thousand, four hundred sixty-four".