11440434312 has 48 divisors (see below), whose sum is σ = 31643763840. Its totient is φ = 3732339168.

The previous prime is 11440434311. The next prime is 11440434319. The reversal of 11440434312 is 21343404411.

It is not an unprimeable number, because it can be changed into a prime (11440434311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686988 + ... + 1693755.

It is an arithmetic number, because the mean of its divisors is an integer number (659245080).

Almost surely, 2^11440434312 is an apocalyptic number.

11440434312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11440434312 is an abundant number, since it is smaller than the sum of its proper divisors (20203329528).

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

11440434312 is a wasteful number, since it uses less digits than its factorization.

11440434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380802 (or 3380795 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11440434312 its reverse (21343404411), we get a palindrome (32783838723).

The spelling of 11440434312 in words is "eleven billion, four hundred forty million, four hundred thirty-four thousand, three hundred twelve".