4049155512 has 96 divisors (see below), whose sum is σ = 11557728000. Its totient is φ = 1277121600.

The previous prime is 4049155499. The next prime is 4049155529. The reversal of 4049155512 is 2155519404.

4049155512 is a `hidden beast` number, since 4 + 0 + 4 + 91 + 55 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 1721137 + ... + 1723487.

It is an arithmetic number, because the mean of its divisors is an integer number (120393000).

Almost surely, 2^4049155512 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 4049155512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5778864000).

4049155512 is an abundant number, since it is smaller than the sum of its proper divisors (7508572488).

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

4049155512 is a wasteful number, since it uses less digits than its factorization.

4049155512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 4049155512 is about 63632.9750365327. The cubic root of 4049155512 is about 1593.8770556516.

The spelling of 4049155512 in words is "four billion, forty-nine million, one hundred fifty-five thousand, five hundred twelve".