3520440120 has 32 divisors (see below), whose sum is σ = 10561320720. Its totient is φ = 938784000.

The previous prime is 3520440083. The next prime is 3520440139. The reversal of 3520440120 is 210440253.

It is a super-2 number, since 2×3520440120² = 24786997277011228800, which contains 22 as substring.

It is a congruent number.

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, 14668381 + ... + 14668620.

Almost surely, 2^3520440120 is an apocalyptic number.

3520440120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3520440120 is an abundant number, since it is smaller than the sum of its proper divisors (7040880600).

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

3520440120 is a wasteful number, since it uses less digits than its factorization.

3520440120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29337015 (or 29337011 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3520440120 is about 59333.2968913746. The cubic root of 3520440120 is about 1521.2443814895.

Adding to 3520440120 its reverse (210440253), we get a palindrome (3730880373).

The spelling of 3520440120 in words is "three billion, five hundred twenty million, four hundred forty thousand, one hundred twenty".