1040305430 has 8 divisors (see below), whose sum is σ = 1872549792. Its totient is φ = 416122168.

The previous prime is 1040305421. The next prime is 1040305439. The reversal of 1040305430 is 345030401.

It is an interprime number because it is at equal distance from previous prime (1040305421) and next prime (1040305439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040305439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52015262 + ... + 52015281.

It is an arithmetic number, because the mean of its divisors is an integer number (234068724).

Almost surely, 2^1040305430 is an apocalyptic number.

1040305430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040305430 is a deficient number, since it is larger than the sum of its proper divisors (832244362).

1040305430 is a wasteful number, since it uses less digits than its factorization.

1040305430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104030550.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1040305430 is about 32253.7661366855. The cubic root of 1040305430 is about 1013.2585765729.

Adding to 1040305430 its reverse (345030401), we get a palindrome (1385335831).

The spelling of 1040305430 in words is "one billion, forty million, three hundred five thousand, four hundred thirty".