4133731856 has 80 divisors (see below), whose sum is σ = 8578700928. Its totient is φ = 1925299200.

The previous prime is 4133731841. The next prime is 4133731867. The reversal of 4133731856 is 6581373314.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401076 + ... + 2402796.

Almost surely, 2^4133731856 is an apocalyptic number.

4133731856 is a gapful number since it is divisible by the number (46) 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 4133731856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289350464).

4133731856 is an abundant number, since it is smaller than the sum of its proper divisors (4444969072).

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

4133731856 is a wasteful number, since it uses less digits than its factorization.

4133731856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1914 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 4133731856 is about 64294.1043642417. The cubic root of 4133731856 is about 1604.8979928247.

The spelling of 4133731856 in words is "four billion, one hundred thirty-three million, seven hundred thirty-one thousand, eight hundred fifty-six".