240054309 has 12 divisors (see below), whose sum is σ = 378267552. Its totient is φ = 145487400.

The previous prime is 240054307. The next prime is 240054313. The reversal of 240054309 is 903450042.

240054309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240054309 - 2¹ = 240054307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240054307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212297 + ... + 1212494.

It is an arithmetic number, because the mean of its divisors is an integer number (31522296).

Almost surely, 2^240054309 is an apocalyptic number.

It is an amenable number.

240054309 is a deficient number, since it is larger than the sum of its proper divisors (138213243).

240054309 is a wasteful number, since it uses less digits than its factorization.

240054309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424808 (or 2424805 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 240054309 is about 15493.6861011187. The cubic root of 240054309 is about 621.4933728472.

The spelling of 240054309 in words is "two hundred forty million, fifty-four thousand, three hundred nine".