2445220415 has 16 divisors (see below), whose sum is σ = 3389312160. Its totient is φ = 1673733120.

The previous prime is 2445220411. The next prime is 2445220469. The reversal of 2445220415 is 5140225442.

It is not a de Polignac number, because 2445220415 - 2² = 2445220411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445220411) 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 15 ways as a sum of consecutive naturals, for example, 1306670 + ... + 1308539.

It is an arithmetic number, because the mean of its divisors is an integer number (211832010).

Almost surely, 2^2445220415 is an apocalyptic number.

2445220415 is a deficient number, since it is larger than the sum of its proper divisors (944091745).

2445220415 is a wasteful number, since it uses less digits than its factorization.

2445220415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615242.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2445220415 is about 49449.1700132570. The cubic root of 2445220415 is about 1347.2225319423. Note that the first 3 decimals are identical.

Adding to 2445220415 its reverse (5140225442), we get a palindrome (7585445857).

The spelling of 2445220415 in words is "two billion, four hundred forty-five million, two hundred twenty thousand, four hundred fifteen".