2620000000 has 144 divisors (see below), whose sum is σ = 6587092512. Its totient is φ = 1040000000.

The previous prime is 2619999953. The next prime is 2620000021. The reversal of 2620000000 is 262.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19999935 + ... + 20000065.

It is an arithmetic number, because the mean of its divisors is an integer number (45743698).

Almost surely, 2^2620000000 is an apocalyptic number.

2620000000 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 2620000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293546256).

2620000000 is an abundant number, since it is smaller than the sum of its proper divisors (3967092512).

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

2620000000 is an frugal number, since it uses more digits than its factorization.

2620000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2620000000 is about 51185.9355682789. The cubic root of 2620000000 is about 1378.5856825619.

Adding to 2620000000 its reverse (262), we get a palindrome (2620000262).

2620000000 divided by its reverse (262) gives a 7-th power (10000000 = 10⁷).

The spelling of 2620000000 in words is "two billion, six hundred twenty million", and thus it is an aban number.