36144636 has 96 divisors (see below), whose sum is σ = 97069056. Its totient is φ = 10454400.

The previous prime is 36144629. The next prime is 36144659. The reversal of 36144636 is 63644163.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (31104) is a multiple of the sum of its prime factors (144).

It is a junction number, because it is equal to n+sod(n) for n = 36144597 and 36144606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495096 + ... + 495168.

It is an arithmetic number, because the mean of its divisors is an integer number (1011136).

Almost surely, 2^36144636 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 36144636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48534528).

36144636 is an abundant number, since it is smaller than the sum of its proper divisors (60924420).

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

36144636 is a wasteful number, since it uses less digits than its factorization.

36144636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 120 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 36144636 is about 6012.0409180244. The cubic root of 36144636 is about 330.6343354366.

Adding to 36144636 its reverse (63644163), we get a palindrome (99788799).

The spelling of 36144636 in words is "thirty-six million, one hundred forty-four thousand, six hundred thirty-six".