3553400344220 has 96 divisors (see below), whose sum is σ = 8343950082048. Its totient is φ = 1264170693632.

The previous prime is 3553400344159. The next prime is 3553400344223. The reversal of 3553400344220 is 224430043553.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3553400344223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2088284 + ... + 3386403.

It is an arithmetic number, because the mean of its divisors is an integer number (86916146688).

Almost surely, 2^{3553400344220} is an apocalyptic number.

It is an amenable number.

3553400344220 is an abundant number, since it is smaller than the sum of its proper divisors (4790549737828).

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

3553400344220 is a wasteful number, since it uses less digits than its factorization.

3553400344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474819 (or 5474817 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 3553400344220 its reverse (224430043553), we get a palindrome (3777830387773).

The spelling of 3553400344220 in words is "three trillion, five hundred fifty-three billion, four hundred million, three hundred forty-four thousand, two hundred twenty".