3551448484420 has 24 divisors (see below), whose sum is σ = 7458304362264. Its totient is φ = 1420529385216.

The previous prime is 3551448484391. The next prime is 3551448484429. The reversal of 3551448484420 is 244848441553.

It can be written as a sum of positive squares in 4 ways, for example, as 183871155204 + 3367577329216 = 428802^2 + 1835096^2 .

It is a super-2 number, since 2×3551448484420² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551448484429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540527 + ... + 3682006.

It is an arithmetic number, because the mean of its divisors is an integer number (310762681761).

Almost surely, 2^{3551448484420} is an apocalyptic number.

It is an amenable number.

3551448484420 is an abundant number, since it is smaller than the sum of its proper divisors (3906855877844).

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

3551448484420 is a wasteful number, since it uses less digits than its factorization.

3551448484420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251079 (or 6251077 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 52.

The spelling of 3551448484420 in words is "three trillion, five hundred fifty-one billion, four hundred forty-eight million, four hundred eighty-four thousand, four hundred twenty".