428012371224845 has 64 divisors (see below), whose sum is σ = 585052509450240. Its totient is φ = 297552121574400.

The previous prime is 428012371224817. The next prime is 428012371224853. The reversal of 428012371224845 is 548422173210824.

It is a de Polignac number, because none of the positive numbers 2^k-428012371224845 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18763408490 + ... + 18763431300.

It is an arithmetic number, because the mean of its divisors is an integer number (9141445460160).

Almost surely, 2^{428012371224845} is an apocalyptic number.

It is an amenable number.

428012371224845 is a deficient number, since it is larger than the sum of its proper divisors (157040138225395).

428012371224845 is a wasteful number, since it uses less digits than its factorization.

428012371224845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31946.

The product of its (nonzero) digits is 6881280, while the sum is 53.

The spelling of 428012371224845 in words is "four hundred twenty-eight trillion, twelve billion, three hundred seventy-one million, two hundred twenty-four thousand, eight hundred forty-five".