36881240 has 64 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 13271040.

The previous prime is 36881237. The next prime is 36881291. The reversal of 36881240 is 4218863.

It is a junction number, because it is equal to n+sod(n) for n = 36881197 and 36881206.

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 15 ways as a sum of consecutive naturals, for example, 47576 + ... + 48344.

Almost surely, 2^36881240 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 36881240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45738000).

36881240 is an abundant number, since it is smaller than the sum of its proper divisors (54594760).

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

36881240 is a wasteful number, since it uses less digits than its factorization.

36881240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 36881240 is about 6072.9926724803. The cubic root of 36881240 is about 332.8652853230.

The spelling of 36881240 in words is "thirty-six million, eight hundred eighty-one thousand, two hundred forty".