428106069524 has 48 divisors (see below), whose sum is σ = 954292187520. Its totient is φ = 163592939520.

The previous prime is 428106069449. The next prime is 428106069527. The reversal of 428106069524 is 425960601824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428106069527) 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, 23658917 + ... + 23677004.

It is an arithmetic number, because the mean of its divisors is an integer number (19881087240).

Almost surely, 2^428106069524 is an apocalyptic number.

It is an amenable number.

428106069524 is an abundant number, since it is smaller than the sum of its proper divisors (526186117996).

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

428106069524 is a wasteful number, since it uses less digits than its factorization.

428106069524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47335968 (or 47335966 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 428106069524 in words is "four hundred twenty-eight billion, one hundred six million, sixty-nine thousand, five hundred twenty-four".