428622682507512 has 64 divisors (see below), whose sum is σ = 1074123291663360. Its totient is φ = 142532065737600.

The previous prime is 428622682507451. The next prime is 428622682507531. The reversal of 428622682507512 is 215705286226824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137283093 + ... + 140370555.

It is an arithmetic number, because the mean of its divisors is an integer number (16783176432240).

Almost surely, 2^{428622682507512} is an apocalyptic number.

It is an amenable number.

428622682507512 is an abundant number, since it is smaller than the sum of its proper divisors (645500609155848).

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

428622682507512 is a wasteful number, since it uses less digits than its factorization.

428622682507512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101324 (or 3101320 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 428622682507512 in words is "four hundred twenty-eight trillion, six hundred twenty-two billion, six hundred eighty-two million, five hundred seven thousand, five hundred twelve".