430269640 has 32 divisors (see below), whose sum is σ = 971626680. Its totient is φ = 171482112.

The previous prime is 430269617. The next prime is 430269659. The reversal of 430269640 is 46962034.

It can be written as a sum of positive squares in 4 ways, for example, as 209033764 + 221235876 = 14458^2 + 14874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 430269596 and 430269605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8337 + ... + 30496.

Almost surely, 2^430269640 is an apocalyptic number.

430269640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430269640 is an abundant number, since it is smaller than the sum of its proper divisors (541357040).

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

430269640 is a wasteful number, since it uses less digits than its factorization.

430269640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39121 (or 39117 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 430269640 is about 20742.9419321368. The cubic root of 430269640 is about 754.9419659207.

The spelling of 430269640 in words is "four hundred thirty million, two hundred sixty-nine thousand, six hundred forty".