2641323520 has 120 divisors (see below), whose sum is σ = 6961866912. Its totient is φ = 960368640.

The previous prime is 2641323493. The next prime is 2641323523. The reversal of 2641323520 is 253231462.

It is a super-4 number, since 4×2641323520⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641323523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305497 + ... + 314023.

Almost surely, 2^2641323520 is an apocalyptic number.

2641323520 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 2641323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480933456).

2641323520 is an abundant number, since it is smaller than the sum of its proper divisors (4320543392).

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

2641323520 is an equidigital number, since it uses as much as digits as its factorization.

2641323520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572 (or 8545 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2641323520 is about 51393.8081873683. The cubic root of 2641323520 is about 1382.3155691176.

Adding to 2641323520 its reverse (253231462), we get a palindrome (2894554982).

The spelling of 2641323520 in words is "two billion, six hundred forty-one million, three hundred twenty-three thousand, five hundred twenty".