3521610001040 has 20 divisors (see below), whose sum is σ = 8187743252604. Its totient is φ = 1408644000384.

The previous prime is 3521610001027. The next prime is 3521610001069. The reversal of 3521610001040 is 401000161253.

It can be written as a sum of positive squares in 2 ways, for example, as 1940816769424 + 1580793231616 = 1393132^2 + 1257296^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 3521610000997 and 3521610001015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22010062427 + ... + 22010062586.

Almost surely, 2^{3521610001040} is an apocalyptic number.

It is an amenable number.

3521610001040 is an abundant number, since it is smaller than the sum of its proper divisors (4666133251564).

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

3521610001040 is a wasteful number, since it uses less digits than its factorization.

3521610001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44020125026 (or 44020125020 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 3521610001040 its reverse (401000161253), we get a palindrome (3922610162293).

The spelling of 3521610001040 in words is "three trillion, five hundred twenty-one billion, six hundred ten million, one thousand, forty".