8040440030 has 32 divisors (see below), whose sum is σ = 16987375296. Its totient is φ = 2682215424.

The previous prime is 8040440029. The next prime is 8040440033. The reversal of 8040440030 is 300440408.

It is a junction number, because it is equal to n+sod(n) for n = 8040439978 and 8040440005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040440033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549619 + ... + 1554798.

It is an arithmetic number, because the mean of its divisors is an integer number (530855478).

Almost surely, 2^8040440030 is an apocalyptic number.

8040440030 is an abundant number, since it is smaller than the sum of its proper divisors (8946935266).

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

8040440030 is a wasteful number, since it uses less digits than its factorization.

8040440030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104468.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8040440030 is about 89668.5007681070. The cubic root of 8040440030 is about 2003.3643399350.

Adding to 8040440030 its reverse (300440408), we get a palindrome (8340880438).

The spelling of 8040440030 in words is "eight billion, forty million, four hundred forty thousand, thirty".