2624611220 has 96 divisors (see below), whose sum is σ = 6908461056. Its totient is φ = 813686400.

The previous prime is 2624611183. The next prime is 2624611229. The reversal of 2624611220 is 221164262.

It is a super-2 number, since 2×2624611220² = 13777168112299776800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2624611220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2624611229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289679 + ... + 298601.

It is an arithmetic number, because the mean of its divisors is an integer number (71963136).

Almost surely, 2^2624611220 is an apocalyptic number.

2624611220 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 2624611220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3454230528).

2624611220 is an abundant number, since it is smaller than the sum of its proper divisors (4283849836).

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

2624611220 is a wasteful number, since it uses less digits than its factorization.

2624611220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2624611220 is about 51230.9595850009. The cubic root of 2624611220 is about 1379.3939823176.

Adding to 2624611220 its reverse (221164262), we get a palindrome (2845775482).

The spelling of 2624611220 in words is "two billion, six hundred twenty-four million, six hundred eleven thousand, two hundred twenty".