428414850988 has 24 divisors (see below), whose sum is σ = 789564413120. Its totient is φ = 202835851920.

The previous prime is 428414850977. The next prime is 428414850991. The reversal of 428414850988 is 889058414824.

It is a super-2 number, since 2×428414850988² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194798 + ... + 1511413.

Almost surely, 2^428414850988 is an apocalyptic number.

It is an amenable number.

428414850988 is a deficient number, since it is larger than the sum of its proper divisors (361149562132).

428414850988 is a wasteful number, since it uses less digits than its factorization.

428414850988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708317 (or 2708315 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 61.

The spelling of 428414850988 in words is "four hundred twenty-eight billion, four hundred fourteen million, eight hundred fifty thousand, nine hundred eighty-eight".