428464118372 has 12 divisors (see below), whose sum is σ = 749824924800. Its totient is φ = 214228425576.

The previous prime is 428464118281. The next prime is 428464118377. The reversal of 428464118372 is 273811464824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 428464118372.

It is not an unprimeable number, because it can be changed into a prime (428464118377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633872 + ... + 1121927.

It is an arithmetic number, because the mean of its divisors is an integer number (62485410400).

Almost surely, 2^428464118372 is an apocalyptic number.

It is an amenable number.

428464118372 is a deficient number, since it is larger than the sum of its proper divisors (321360806428).

428464118372 is a wasteful number, since it uses less digits than its factorization.

428464118372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816810 (or 1816808 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The spelling of 428464118372 in words is "four hundred twenty-eight billion, four hundred sixty-four million, one hundred eighteen thousand, three hundred seventy-two".