2642887936 has 36 divisors (see below), whose sum is σ = 5681263252. Its totient is φ = 1219792896.

The previous prime is 2642887931. The next prime is 2642887967. The reversal of 2642887936 is 6397882462.

It can be written as a sum of positive squares in 2 ways, for example, as 1785569536 + 857318400 = 42256^2 + 29280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642887931) 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, 393741 + ... + 400396.

Almost surely, 2^2642887936 is an apocalyptic number.

2642887936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2642887936 is an abundant number, since it is smaller than the sum of its proper divisors (3038375316).

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

2642887936 is an equidigital number, since it uses as much as digits as its factorization.

2642887936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794166 (or 794152 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The square root of 2642887936 is about 51409.0258223203. The cubic root of 2642887936 is about 1382.5884234619.

The spelling of 2642887936 in words is "two billion, six hundred forty-two million, eight hundred eighty-seven thousand, nine hundred thirty-six".