4512344140 has 24 divisors (see below), whose sum is σ = 9617357232. Its totient is φ = 1777997760.

The previous prime is 4512344129. The next prime is 4512344147. The reversal of 4512344140 is 414432154.

It is a super-2 number, since 2×4512344140² = 40722499275584679200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4512344099 and 4512344108.

It is not an unprimeable number, because it can be changed into a prime (4512344147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682371 + ... + 1685050.

It is an arithmetic number, because the mean of its divisors is an integer number (400723218).

Almost surely, 2^4512344140 is an apocalyptic number.

It is an amenable number.

4512344140 is an abundant number, since it is smaller than the sum of its proper divisors (5105013092).

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

4512344140 is a wasteful number, since it uses less digits than its factorization.

4512344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367497 (or 3367495 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4512344140 is about 67173.9841009896. The cubic root of 4512344140 is about 1652.4718555312.

Adding to 4512344140 its reverse (414432154), we get a palindrome (4926776294).

The spelling of 4512344140 in words is "four billion, five hundred twelve million, three hundred forty-four thousand, one hundred forty".