2651122320 has 320 divisors, whose sum is σ = 10499328000. Its totient is φ = 537292800.

The previous prime is 2651122303. The next prime is 2651122337. The reversal of 2651122320 is 232211562.

It is an interprime number because it is at equal distance from previous prime (2651122303) and next prime (2651122337).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 755931 + ... + 759429.

It is an arithmetic number, because the mean of its divisors is an integer number (32810400).

Almost surely, 2^2651122320 is an apocalyptic number.

2651122320 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 2651122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664000).

2651122320 is an abundant number, since it is smaller than the sum of its proper divisors (7848205680).

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

2651122320 is a wasteful number, since it uses less digits than its factorization.

2651122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574 (or 3568 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2651122320 is about 51489.0504864869. The cubic root of 2651122320 is about 1384.0228342207.

Adding to 2651122320 its reverse (232211562), we get a palindrome (2883333882).

The spelling of 2651122320 in words is "two billion, six hundred fifty-one million, one hundred twenty-two thousand, three hundred twenty".