4045521415 has 8 divisors (see below), whose sum is σ = 5228058528. Its totient is φ = 2987461920.

The previous prime is 4045521409. The next prime is 4045521419. The reversal of 4045521415 is 5141255404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4045521415 - 2¹¹ = 4045519367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045521419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31119331 + ... + 31119460.

It is an arithmetic number, because the mean of its divisors is an integer number (653507316).

Almost surely, 2^4045521415 is an apocalyptic number.

4045521415 is a deficient number, since it is larger than the sum of its proper divisors (1182537113).

4045521415 is a wasteful number, since it uses less digits than its factorization.

4045521415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62238809.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4045521415 is about 63604.4134868014. The cubic root of 4045521415 is about 1593.4000806767.

Adding to 4045521415 its reverse (5141255404), we get a palindrome (9186776819).

The spelling of 4045521415 in words is "four billion, forty-five million, five hundred twenty-one thousand, four hundred fifteen".