2625635220 has 96 divisors (see below), whose sum is σ = 7927500672. Its totient is φ = 645477888.

The previous prime is 2625635209. The next prime is 2625635249. The reversal of 2625635220 is 225365262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788479 + ... + 791801.

It is an arithmetic number, because the mean of its divisors is an integer number (82578132).

Almost surely, 2^2625635220 is an apocalyptic number.

2625635220 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 2625635220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3963750336).

2625635220 is an abundant number, since it is smaller than the sum of its proper divisors (5301865452).

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

2625635220 is a wasteful number, since it uses less digits than its factorization.

2625635220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2625635220 is about 51240.9525672582. The cubic root of 2625635220 is about 1379.5733505697.

The spelling of 2625635220 in words is "two billion, six hundred twenty-five million, six hundred thirty-five thousand, two hundred twenty".