3520449380 has 24 divisors (see below), whose sum is σ = 8449078848. Its totient is φ = 1207011168.

The previous prime is 3520449377. The next prime is 3520449467. The reversal of 3520449380 is 839440253.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12572894 + ... + 12573173.

It is an arithmetic number, because the mean of its divisors is an integer number (352044952).

Almost surely, 2^3520449380 is an apocalyptic number.

It is an amenable number.

3520449380 is an abundant number, since it is smaller than the sum of its proper divisors (4928629468).

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

3520449380 is a wasteful number, since it uses less digits than its factorization.

3520449380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25146083 (or 25146081 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 3520449380 is about 59333.3749250791. The cubic root of 3520449380 is about 1521.2457152916.

The spelling of 3520449380 in words is "three billion, five hundred twenty million, four hundred forty-nine thousand, three hundred eighty".