36885440 has 56 divisors (see below), whose sum is σ = 89093040. Its totient is φ = 14542848.

The previous prime is 36885421. The next prime is 36885451. The reversal of 36885440 is 4458863.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 36885394 and 36885403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22571 + ... + 24149.

Almost surely, 2^36885440 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 36885440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44546520).

36885440 is an abundant number, since it is smaller than the sum of its proper divisors (52207600).

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

36885440 is a wasteful number, since it uses less digits than its factorization.

36885440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 36885440 is about 6073.3384559071. The cubic root of 36885440 is about 332.8779203025.

The spelling of 36885440 in words is "thirty-six million, eight hundred eighty-five thousand, four hundred forty".