2425544220 has 144 divisors (see below), whose sum is σ = 7588826784. Its totient is φ = 578265600.

The previous prime is 2425544201. The next prime is 2425544249. The reversal of 2425544220 is 224455242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440122 + ... + 445598.

It is an arithmetic number, because the mean of its divisors is an integer number (52700186).

Almost surely, 2^2425544220 is an apocalyptic number.

2425544220 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 2425544220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3794413392).

2425544220 is an abundant number, since it is smaller than the sum of its proper divisors (5163282564).

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

2425544220 is a wasteful number, since it uses less digits than its factorization.

2425544220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2425544220 is about 49249.8144158940. The cubic root of 2425544220 is about 1343.5991864780.

Adding to 2425544220 its reverse (224455242), we get a palindrome (2649999462).

It can be divided in two parts, 2425 and 544220, that added together give a palindrome (546645).

The spelling of 2425544220 in words is "two billion, four hundred twenty-five million, five hundred forty-four thousand, two hundred twenty".