240720053 has 8 divisors (see below), whose sum is σ = 283983360. Its totient is φ = 199675440.

The previous prime is 240720049. The next prime is 240720089. The reversal of 240720053 is 350027042.

240720053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240720053 - 2² = 240720049 is a prime.

It is a super-2 number, since 2×240720053² = 115892287832645618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240720353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554438 + ... + 554871.

It is an arithmetic number, because the mean of its divisors is an integer number (35497920).

Almost surely, 2^240720053 is an apocalyptic number.

It is an amenable number.

240720053 is a deficient number, since it is larger than the sum of its proper divisors (43263307).

240720053 is a wasteful number, since it uses less digits than its factorization.

240720053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109347.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 240720053 is about 15515.1555905830. The cubic root of 240720053 is about 622.0673729332.

Adding to 240720053 its reverse (350027042), we get a palindrome (590747095).

The spelling of 240720053 in words is "two hundred forty million, seven hundred twenty thousand, fifty-three".