2445541020 has 144 divisors (see below), whose sum is σ = 8246714112. Its totient is φ = 582543360.

The previous prime is 2445541019. The next prime is 2445541027. The reversal of 2445541020 is 201455442.

2445541020 is a `hidden beast` number, since 2 + 4 + 4 + 554 + 102 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445541027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55684 + ... + 89396.

It is an arithmetic number, because the mean of its divisors is an integer number (57268848).

Almost surely, 2^2445541020 is an apocalyptic number.

2445541020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445541020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4123357056).

2445541020 is an abundant number, since it is smaller than the sum of its proper divisors (5801173092).

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

2445541020 is a wasteful number, since it uses less digits than its factorization.

2445541020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33772 (or 33767 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2445541020 is about 49452.4116702108. The cubic root of 2445541020 is about 1347.2814097162.

Adding to 2445541020 its reverse (201455442), we get a palindrome (2646996462).

The spelling of 2445541020 in words is "two billion, four hundred forty-five million, five hundred forty-one thousand, twenty".