3502405056644 has 72 divisors (see below), whose sum is σ = 6693967365120. Its totient is φ = 1602626643072.

The previous prime is 3502405056593. The next prime is 3502405056677. The reversal of 3502405056644 is 4466505042053.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3502405056595 and 3502405056604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127304762 + ... + 127332270.

It is an arithmetic number, because the mean of its divisors is an integer number (92971768960).

Almost surely, 2^{3502405056644} is an apocalyptic number.

It is an amenable number.

3502405056644 is a deficient number, since it is larger than the sum of its proper divisors (3191562308476).

3502405056644 is a wasteful number, since it uses less digits than its factorization.

3502405056644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29149 (or 29134 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 3502405056644 in words is "three trillion, five hundred two billion, four hundred five million, fifty-six thousand, six hundred forty-four".