428688593190 has 192 divisors, whose sum is σ = 1386475900992. Its totient is φ = 90287308800.

The previous prime is 428688593189. The next prime is 428688593197. The reversal of 428688593190 is 91395886824.

428688593190 is a `hidden beast` number, since 4 + 28 + 6 + 8 + 8 + 593 + 19 + 0 = 666.

It is a super-2 number, since 2×428688593190² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428688593197) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 760891 + ... + 1198470.

It is an arithmetic number, because the mean of its divisors is an integer number (7221228651).

Almost surely, 2^428688593190 is an apocalyptic number.

428688593190 is an abundant number, since it is smaller than the sum of its proper divisors (957787307802).

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

428688593190 is a wasteful number, since it uses less digits than its factorization.

428688593190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959415 (or 1959412 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 428688593190 in words is "four hundred twenty-eight billion, six hundred eighty-eight million, five hundred ninety-three thousand, one hundred ninety".