2445766420 has 24 divisors (see below), whose sum is σ = 5140787400. Its totient is φ = 977415552.

The previous prime is 2445766397. The next prime is 2445766441. The reversal of 2445766420 is 246675442.

2445766420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 178863876 + 2266902544 = 13374^2 + 47612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32955 + ... + 77314.

It is an arithmetic number, because the mean of its divisors is an integer number (214199475).

Almost surely, 2^2445766420 is an apocalyptic number.

2445766420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445766420 is an abundant number, since it is smaller than the sum of its proper divisors (2695020980).

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

2445766420 is a wasteful number, since it uses less digits than its factorization.

2445766420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111387 (or 111385 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The square root of 2445766420 is about 49454.6905763245. The cubic root of 2445766420 is about 1347.3228004075.

The spelling of 2445766420 in words is "two billion, four hundred forty-five million, seven hundred sixty-six thousand, four hundred twenty".