4156534736 has 90 divisors (see below), whose sum is σ = 8657713170. Its totient is φ = 1930844160.

The previous prime is 4156534729. The next prime is 4156534741. The reversal of 4156534736 is 6374356514.

It can be written as a sum of positive squares in 9 ways, for example, as 2455797136 + 1700737600 = 49556^2 + 41240^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56938796 + ... + 56938868.

It is an arithmetic number, because the mean of its divisors is an integer number (96196813).

Almost surely, 2^4156534736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4156534736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328856585).

4156534736 is an abundant number, since it is smaller than the sum of its proper divisors (4501178434).

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

4156534736 is an equidigital number, since it uses as much as digits as its factorization.

4156534736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 145 counting only the distinct ones).

The product of its digits is 907200, while the sum is 44.

The square root of 4156534736 is about 64471.1930710143. The cubic root of 4156534736 is about 1607.8436128365.

The spelling of 4156534736 in words is "four billion, one hundred fifty-six million, five hundred thirty-four thousand, seven hundred thirty-six".