2236102640 has 20 divisors (see below), whose sum is σ = 5198938824. Its totient is φ = 894441024.

The previous prime is 2236102637. The next prime is 2236102643. The reversal of 2236102640 is 462016322.

It is an interprime number because it is at equal distance from previous prime (2236102637) and next prime (2236102643).

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2236102640² = 10000310033229939200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236102643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13975562 + ... + 13975721.

Almost surely, 2^2236102640 is an apocalyptic number.

2236102640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2236102640 is an abundant number, since it is smaller than the sum of its proper divisors (2962836184).

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

2236102640 is a wasteful number, since it uses less digits than its factorization.

2236102640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27951296 (or 27951290 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2236102640 is about 47287.4469600548. The cubic root of 2236102640 is about 1307.6672428946.

Adding to 2236102640 its reverse (462016322), we get a palindrome (2698118962).

The spelling of 2236102640 in words is "two billion, two hundred thirty-six million, one hundred two thousand, six hundred forty".