3549452001220 has 12 divisors (see below), whose sum is σ = 7453849202604. Its totient is φ = 1419780800480.

The previous prime is 3549452001209. The next prime is 3549452001229. The reversal of 3549452001220 is 221002549453.

It can be written as a sum of positive squares in 2 ways, for example, as 572888527236 + 2976563473984 = 756894^2 + 1725272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3549452001220.

It is not an unprimeable number, because it can be changed into a prime (3549452001229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88736300011 + ... + 88736300050.

It is an arithmetic number, because the mean of its divisors is an integer number (621154100217).

Almost surely, 2^{3549452001220} is an apocalyptic number.

It is an amenable number.

3549452001220 is an abundant number, since it is smaller than the sum of its proper divisors (3904397201384).

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

3549452001220 is a wasteful number, since it uses less digits than its factorization.

3549452001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177472600070 (or 177472600068 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 3549452001220 in words is "three trillion, five hundred forty-nine billion, four hundred fifty-two million, one thousand, two hundred twenty".