4136644782 has 32 divisors (see below), whose sum is σ = 9733284000. Its totient is φ = 1297770624.

The previous prime is 4136644781. The next prime is 4136644801. The reversal of 4136644782 is 2874466314.

It is a super-2 number, since 2×4136644782² = 34223660104895655048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136644781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252157 + ... + 2253992.

It is an arithmetic number, because the mean of its divisors is an integer number (304165125).

Almost surely, 2^4136644782 is an apocalyptic number.

4136644782 is an abundant number, since it is smaller than the sum of its proper divisors (5596639218).

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

4136644782 is a wasteful number, since it uses less digits than its factorization.

4136644782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506177 (or 4506171 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 4136644782 is about 64316.7535094862. The cubic root of 4136644782 is about 1605.2748799879.

The spelling of 4136644782 in words is "four billion, one hundred thirty-six million, six hundred forty-four thousand, seven hundred eighty-two".