428271217763244 has 48 divisors (see below), whose sum is σ = 1007012387082240. Its totient is φ = 141655415936320.

The previous prime is 428271217763167. The next prime is 428271217763261. The reversal of 428271217763244 is 442367712172824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7267462 + ... + 30155570.

It is an arithmetic number, because the mean of its divisors is an integer number (20979424730880).

Almost surely, 2^{428271217763244} is an apocalyptic number.

It is an amenable number.

428271217763244 is an abundant number, since it is smaller than the sum of its proper divisors (578741169318996).

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

428271217763244 is a wasteful number, since it uses less digits than its factorization.

428271217763244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22900150 (or 22900148 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 60.

The spelling of 428271217763244 in words is "four hundred twenty-eight trillion, two hundred seventy-one billion, two hundred seventeen million, seven hundred sixty-three thousand, two hundred forty-four".