240013430 has 16 divisors (see below), whose sum is σ = 438473520. Its totient is φ = 94572192.

The previous prime is 240013391. The next prime is 240013447. The reversal of 240013430 is 34310042.

240013430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240013399 and 240013408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178445 + ... + 179784.

It is an arithmetic number, because the mean of its divisors is an integer number (27404595).

Almost surely, 2^240013430 is an apocalyptic number.

240013430 is a deficient number, since it is larger than the sum of its proper divisors (198460090).

240013430 is a wasteful number, since it uses less digits than its factorization.

240013430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358303.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 240013430 is about 15492.3668301522. The cubic root of 240013430 is about 621.4580926780.

Adding to 240013430 its reverse (34310042), we get a palindrome (274323472).

The spelling of 240013430 in words is "two hundred forty million, thirteen thousand, four hundred thirty".