1040030434 has 4 divisors (see below), whose sum is σ = 1560045654. Its totient is φ = 520015216.

The previous prime is 1040030423. The next prime is 1040030441. The reversal of 1040030434 is 4340300401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4340300401 = 67 ⋅64780603.

It can be written as a sum of positive squares in only one way, i.e., 1030089025 + 9941409 = 32095^2 + 3153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260007607 + ... + 260007610.

Almost surely, 2^1040030434 is an apocalyptic number.

1040030434 is a deficient number, since it is larger than the sum of its proper divisors (520015220).

1040030434 is an equidigital number, since it uses as much as digits as its factorization.

1040030434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520015219.

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

The square root of 1040030434 is about 32249.5028488813. The cubic root of 1040030434 is about 1013.1692865742.

Adding to 1040030434 its reverse (4340300401), we get a palindrome (5380330835).

The spelling of 1040030434 in words is "one billion, forty million, thirty thousand, four hundred thirty-four".