4002015036 has 24 divisors (see below), whose sum is σ = 9339445584. Its totient is φ = 1333803520.

The previous prime is 4002015013. The next prime is 4002015037. The reversal of 4002015036 is 6305102004.

It is a happy number.

It is a super-2 number, since 2×4002015036² = 32032248696740162592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002015037) 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 7 ways as a sum of consecutive naturals, for example, 72826 + ... + 115358.

It is an arithmetic number, because the mean of its divisors is an integer number (389143566).

Almost surely, 2^4002015036 is an apocalyptic number.

It is an amenable number.

4002015036 is an abundant number, since it is smaller than the sum of its proper divisors (5337430548).

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

4002015036 is a wasteful number, since it uses less digits than its factorization.

4002015036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50381 (or 50379 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4002015036 is about 63261.4814559381. The cubic root of 4002015036 is about 1587.6675630763.

The spelling of 4002015036 in words is "four billion, two million, fifteen thousand, thirty-six".