2641610240 has 80 divisors (see below), whose sum is σ = 6348999888. Its totient is φ = 1054089216.

The previous prime is 2641610201. The next prime is 2641610243. The reversal of 2641610240 is 420161462.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641610243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337894 + ... + 1339866.

Almost surely, 2^2641610240 is an apocalyptic number.

2641610240 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 2641610240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3174499944).

2641610240 is an abundant number, since it is smaller than the sum of its proper divisors (3707389648).

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

2641610240 is an equidigital number, since it uses as much as digits as its factorization.

2641610240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2503 counting only the distinct ones).

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

The square root of 2641610240 is about 51396.5975527563. The cubic root of 2641610240 is about 1382.3655848485.

The spelling of 2641610240 in words is "two billion, six hundred forty-one million, six hundred ten thousand, two hundred forty".