240040053 has 48 divisors (see below), whose sum is σ = 409032000. Its totient is φ = 134058240.

The previous prime is 240040039. The next prime is 240040057. The reversal of 240040053 is 350040042.

It is a happy number.

It is not a de Polignac number, because 240040053 - 2⁸ = 240039797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240040057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67873 + ... + 71321.

It is an arithmetic number, because the mean of its divisors is an integer number (8521500).

Almost surely, 2^240040053 is an apocalyptic number.

It is an amenable number.

240040053 is a deficient number, since it is larger than the sum of its proper divisors (168991947).

240040053 is a wasteful number, since it uses less digits than its factorization.

240040053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 240040053 is about 15493.2260359165. The cubic root of 240040053 is about 621.4810698188.

Adding to 240040053 its reverse (350040042), we get a palindrome (590080095).

The spelling of 240040053 in words is "two hundred forty million, forty thousand, fifty-three".