2620606320 has 240 divisors, whose sum is σ = 8985674880. Its totient is φ = 684343296.

The previous prime is 2620606291. The next prime is 2620606333. The reversal of 2620606320 is 236060262.

It is a happy number.

2620606320 is a `hidden beast` number, since 2 + 6 + 20 + 6 + 0 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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, 10964761 + ... + 10964999.

It is an arithmetic number, because the mean of its divisors is an integer number (37440312).

Almost surely, 2^2620606320 is an apocalyptic number.

2620606320 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 2620606320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4492837440).

2620606320 is an abundant number, since it is smaller than the sum of its proper divisors (6365068560).

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

2620606320 is a wasteful number, since it uses less digits than its factorization.

2620606320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2620606320 is about 51191.8579463571. The cubic root of 2620606320 is about 1378.6920183890.

Adding to 2620606320 its reverse (236060262), we get a palindrome (2856666582).

The spelling of 2620606320 in words is "two billion, six hundred twenty million, six hundred six thousand, three hundred twenty".