4144125915 has 64 divisors (see below), whose sum is σ = 7547748480. Its totient is φ = 2156544000.

The previous prime is 4144125913. The next prime is 4144125949. The reversal of 4144125915 is 5195214414.

It is not a de Polignac number, because 4144125915 - 2¹ = 4144125913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4144125915.

It is not an unprimeable number, because it can be changed into a prime (4144125913) 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 63 ways as a sum of consecutive naturals, for example, 1379415 + ... + 1382415.

It is an arithmetic number, because the mean of its divisors is an integer number (117933570).

Almost surely, 2^4144125915 is an apocalyptic number.

4144125915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4144125915 is a deficient number, since it is larger than the sum of its proper divisors (3403622565).

4144125915 is a wasteful number, since it uses less digits than its factorization.

4144125915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261 (or 3255 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4144125915 is about 64374.8857474714. The cubic root of 4144125915 is about 1606.2420118202.

The spelling of 4144125915 in words is "four billion, one hundred forty-four million, one hundred twenty-five thousand, nine hundred fifteen".