4002345115 has 32 divisors (see below), whose sum is σ = 5111922816. Its totient is φ = 3001743360.

The previous prime is 4002345107. The next prime is 4002345119. The reversal of 4002345115 is 5115432004.

It is a happy number.

It is not a de Polignac number, because 4002345115 - 2³ = 4002345107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4002345115.

It is not an unprimeable number, because it can be changed into a prime (4002345119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2363209 + ... + 2364901.

It is an arithmetic number, because the mean of its divisors is an integer number (159747588).

Almost surely, 2^4002345115 is an apocalyptic number.

4002345115 is a deficient number, since it is larger than the sum of its proper divisors (1109577701).

4002345115 is a wasteful number, since it uses less digits than its factorization.

4002345115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4002345115 is about 63264.0902487343. The cubic root of 4002345115 is about 1587.7112111977.

Adding to 4002345115 its reverse (5115432004), we get a palindrome (9117777119).

The spelling of 4002345115 in words is "four billion, two million, three hundred forty-five thousand, one hundred fifteen".