240673636 has 48 divisors (see below), whose sum is σ = 494678016. Its totient is φ = 100324224.

The previous prime is 240673619. The next prime is 240673637. The reversal of 240673636 is 636376042.

It is a super-3 number, since 3×240673636³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240673595 and 240673604.

It is not an unprimeable number, because it can be changed into a prime (240673637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187830 + ... + 189106.

It is an arithmetic number, because the mean of its divisors is an integer number (10305792).

Almost surely, 2^240673636 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 240673636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247339008).

240673636 is an abundant number, since it is smaller than the sum of its proper divisors (254004380).

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

240673636 is a wasteful number, since it uses less digits than its factorization.

240673636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 240673636 is about 15513.6596585074. The cubic root of 240673636 is about 622.0273868484.

The spelling of 240673636 in words is "two hundred forty million, six hundred seventy-three thousand, six hundred thirty-six".