3636015040 has 112 divisors (see below), whose sum is σ = 9971495424. Its totient is φ = 1237017600.

The previous prime is 3636015037. The next prime is 3636015077. The reversal of 3636015040 is 405106363.

3636015040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×3636015040² = 26441210742212403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287245 + ... + 299635.

Almost surely, 2^3636015040 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 3636015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4985747712).

3636015040 is an abundant number, since it is smaller than the sum of its proper divisors (6335480384).

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

3636015040 is a wasteful number, since it uses less digits than its factorization.

3636015040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12546 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3636015040 is about 60299.3784379242. The cubic root of 3636015040 is about 1537.7127794174.

The spelling of 3636015040 in words is "three billion, six hundred thirty-six million, fifteen thousand, forty".