4245215415 has 16 divisors (see below), whose sum is σ = 7762679808. Its totient is φ = 1940669856.

The previous prime is 4245215407. The next prime is 4245215419. The reversal of 4245215415 is 5145125424.

It is a happy number.

It is not a de Polignac number, because 4245215415 - 2³ = 4245215407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245215419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20215207 + ... + 20215416.

It is an arithmetic number, because the mean of its divisors is an integer number (485167488).

Almost surely, 2^4245215415 is an apocalyptic number.

4245215415 is a deficient number, since it is larger than the sum of its proper divisors (3517464393).

4245215415 is a wasteful number, since it uses less digits than its factorization.

4245215415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40430638.

The product of its digits is 32000, while the sum is 33.

The square root of 4245215415 is about 65155.3176264225. The cubic root of 4245215415 is about 1619.1978214897.

The spelling of 4245215415 in words is "four billion, two hundred forty-five million, two hundred fifteen thousand, four hundred fifteen".