2445312420 has 72 divisors (see below), whose sum is σ = 7521958080. Its totient is φ = 642895680.

The previous prime is 2445312383. The next prime is 2445312421. The reversal of 2445312420 is 242135442.

It is not an unprimeable number, because it can be changed into a prime (2445312421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82890 + ... + 108449.

It is an arithmetic number, because the mean of its divisors is an integer number (104471640).

Almost surely, 2^2445312420 is an apocalyptic number.

2445312420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445312420 is an abundant number, since it is smaller than the sum of its proper divisors (5076645660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2445312420 is a wasteful number, since it uses less digits than its factorization.

2445312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191425 (or 191420 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2445312420 is about 49450.1003032350. The cubic root of 2445312420 is about 1347.2394288041.

Adding to 2445312420 its reverse (242135442), we get a palindrome (2687447862).

The spelling of 2445312420 in words is "two billion, four hundred forty-five million, three hundred twelve thousand, four hundred twenty".