36047440 has 160 divisors (see below), whose sum is σ = 103493376. Its totient is φ = 11489280.

The previous prime is 36047419. The next prime is 36047441. The reversal of 36047440 is 4474063.

It is a junction number, because it is equal to n+sod(n) for n = 36047399 and 36047408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36047441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263052 + ... + 263188.

Almost surely, 2^36047440 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 36047440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51746688).

36047440 is an abundant number, since it is smaller than the sum of its proper divisors (67445936).

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

36047440 is a wasteful number, since it uses less digits than its factorization.

36047440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 36047440 is about 6003.9520317871. The cubic root of 36047440 is about 330.3377014376.

The spelling of 36047440 in words is "thirty-six million, forty-seven thousand, four hundred forty".