3549342720 has 352 divisors, whose sum is σ = 14158296576. Its totient is φ = 737280000.

The previous prime is 3549342703. The next prime is 3549342733. The reversal of 3549342720 is 272439453.

It is a tau number, because it is divible by the number of its divisors (352).

It is a congruent number.

It is an unprimeable number.

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, 1181220 + ... + 1184220.

Almost surely, 2^3549342720 is an apocalyptic number.

3549342720 is a gapful number since it is divisible by the number (30) 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 3549342720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7079148288).

3549342720 is an abundant number, since it is smaller than the sum of its proper divisors (10608953856).

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

3549342720 is a wasteful number, since it uses less digits than its factorization.

3549342720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 3549342720 is about 59576.3604124992. The cubic root of 3549342720 is about 1525.3961482709.

The spelling of 3549342720 in words is "three billion, five hundred forty-nine million, three hundred forty-two thousand, seven hundred twenty".