3241220149428 has 48 divisors (see below), whose sum is σ = 7687988562240. Its totient is φ = 1062534700800.

The previous prime is 3241220149381. The next prime is 3241220149429. The reversal of 3241220149428 is 8249410221423.

3241220149428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3241220149428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3241220149429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566928 + ... + 5228696.

It is an arithmetic number, because the mean of its divisors is an integer number (160166428380).

Almost surely, 2^{3241220149428} is an apocalyptic number.

It is an amenable number.

3241220149428 is an abundant number, since it is smaller than the sum of its proper divisors (4446768412812).

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

3241220149428 is a wasteful number, since it uses less digits than its factorization.

3241220149428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668528 (or 668526 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 3241220149428 in words is "three trillion, two hundred forty-one billion, two hundred twenty million, one hundred forty-nine thousand, four hundred twenty-eight".