36519444 has 144 divisors (see below), whose sum is σ = 110308800. Its totient is φ = 10357632.

The previous prime is 36519437. The next prime is 36519449. The reversal of 36519444 is 44491563.

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

It is a junction number, because it is equal to n+sod(n) for n = 36519399 and 36519408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36519449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 986994 + ... + 987030.

Almost surely, 2^36519444 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 36519444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55154400).

36519444 is an abundant number, since it is smaller than the sum of its proper divisors (73789356).

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

36519444 is a wasteful number, since it uses less digits than its factorization.

36519444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 74 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 36519444 is about 6043.1319694344. The cubic root of 36519444 is about 331.7732641656.

It can be divided in two parts, 36519 and 444, that added together give a palindrome (36963).

The spelling of 36519444 in words is "thirty-six million, five hundred nineteen thousand, four hundred forty-four".