4009015512 has 64 divisors (see below), whose sum is σ = 11156841600. Its totient is φ = 1333856160.

The previous prime is 4009015487. The next prime is 4009015513. The reversal of 4009015512 is 2155109004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009015513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101187 + ... + 135117.

It is an arithmetic number, because the mean of its divisors is an integer number (174325650).

Almost surely, 2^4009015512 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 4009015512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5578420800).

4009015512 is an abundant number, since it is smaller than the sum of its proper divisors (7147826088).

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

4009015512 is a wasteful number, since it uses less digits than its factorization.

4009015512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34493 (or 34483 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 4009015512 is about 63316.7869683862. The cubic root of 4009015512 is about 1588.5927598641.

The spelling of 4009015512 in words is "four billion, nine million, fifteen thousand, five hundred twelve".