4515012442 has 12 divisors (see below), whose sum is σ = 6902721630. Its totient is φ = 2214909008.

The previous prime is 4515012421. The next prime is 4515012499. The reversal of 4515012442 is 2442105154.

It can be written as a sum of positive squares in 3 ways, for example, as 4483775521 + 31236921 = 66961^2 + 5589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4515012442.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396217 + ... + 407452.

Almost surely, 2^4515012442 is an apocalyptic number.

4515012442 is a deficient number, since it is larger than the sum of its proper divisors (2387709188).

4515012442 is an equidigital number, since it uses as much as digits as its factorization.

4515012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803777 (or 803724 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4515012442 is about 67193.8422922815. The cubic root of 4515012442 is about 1652.7975122176.

Adding to 4515012442 its reverse (2442105154), we get a palindrome (6957117596).

The spelling of 4515012442 in words is "four billion, five hundred fifteen million, twelve thousand, four hundred forty-two".