1030430440 has 32 divisors (see below), whose sum is σ = 2496813480. Its totient is φ = 380466432.

The previous prime is 1030430431. The next prime is 1030430459. The reversal of 1030430440 is 440340301.

It can be written as a sum of positive squares in 4 ways, for example, as 931348324 + 99082116 = 30518^2 + 9954^2 .

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, 990279 + ... + 991318.

Almost surely, 2^1030430440 is an apocalyptic number.

1030430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030430440 is an abundant number, since it is smaller than the sum of its proper divisors (1466383040).

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

1030430440 is a wasteful number, since it uses less digits than its factorization.

1030430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981621 (or 1981617 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1030430440 is about 32100.3183784834. The cubic root of 1030430440 is about 1010.0422947357.

Adding to 1030430440 its reverse (440340301), we get a palindrome (1470770741).

The spelling of 1030430440 in words is "one billion, thirty million, four hundred thirty thousand, four hundred forty".