3581002120448 has 18 divisors (see below), whose sum is σ = 7148015951874. Its totient is φ = 1790501060096.

The previous prime is 3581002120369. The next prime is 3581002120511. The reversal of 3581002120448 is 8440212001853.

It can be written as a sum of positive squares in only one way, i.e., 3027989772544 + 553012347904 = 1740112^2 + 743648^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6994144511 + ... + 6994145022.

Almost surely, 2^{3581002120448} is an apocalyptic number.

It is an amenable number.

3581002120448 is a deficient number, since it is larger than the sum of its proper divisors (3567013831426).

3581002120448 is an equidigital number, since it uses as much as digits as its factorization.

3581002120448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13988289549 (or 13988289535 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 3581002120448 in words is "three trillion, five hundred eighty-one billion, two million, one hundred twenty thousand, four hundred forty-eight".