240245028 has 120 divisors (see below), whose sum is σ = 663831168. Its totient is φ = 75613824.

The previous prime is 240245021. The next prime is 240245039. The reversal of 240245028 is 820542042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 240244992 and 240245010.

It is not an unprimeable number, because it can be changed into a prime (240245021) 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 39 ways as a sum of consecutive naturals, for example, 767400 + ... + 767712.

Almost surely, 2^240245028 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 240245028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331915584).

240245028 is an abundant number, since it is smaller than the sum of its proper divisors (423586140).

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

240245028 is a wasteful number, since it uses less digits than its factorization.

240245028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 240245028 is about 15499.8396120734. The cubic root of 240245028 is about 621.6579178603.

The spelling of 240245028 in words is "two hundred forty million, two hundred forty-five thousand, twenty-eight".