3551446744144 has 60 divisors (see below), whose sum is σ = 7474452141276. Its totient is φ = 1633958117376.

The previous prime is 3551446744081. The next prime is 3551446744147. The reversal of 3551446744144 is 4414476441553.

3551446744144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 997561488400 + 2553885255744 = 998780^2 + 1598088^2 .

It is a super-2 number, since 2×3551446744144² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 3551446744091 and 3551446744100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551446744147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214449 + ... + 2928784.

Almost surely, 2^{3551446744144} is an apocalyptic number.

It is an amenable number.

3551446744144 is an abundant number, since it is smaller than the sum of its proper divisors (3923005397132).

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

3551446744144 is a wasteful number, since it uses less digits than its factorization.

3551446744144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143584 (or 4143565 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 52.

The spelling of 3551446744144 in words is "three trillion, five hundred fifty-one billion, four hundred forty-six million, seven hundred forty-four thousand, one hundred forty-four".