240440020042057 has 8 divisors (see below), whose sum is σ = 263076536634912. Its totient is φ = 217933225608000.

The previous prime is 240440020042039. The next prime is 240440020042093. The reversal of 240440020042057 is 750240020044042.

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 240440020042057 - 2²³ = 240440011653449 is a prime.

It is a super-2 number, since 2×240440020042057² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240440020042037) 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, 32430535819 + ... + 32430543232.

It is an arithmetic number, because the mean of its divisors is an integer number (32884567079364).

Almost surely, 2^{240440020042057} is an apocalyptic number.

It is an amenable number.

240440020042057 is a deficient number, since it is larger than the sum of its proper divisors (22636516592855).

240440020042057 is a wasteful number, since it uses less digits than its factorization.

240440020042057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64861079399.

The product of its (nonzero) digits is 71680, while the sum is 34.

Adding to 240440020042057 its reverse (750240020044042), we get a palindrome (990680040086099).

The spelling of 240440020042057 in words is "two hundred forty trillion, four hundred forty billion, twenty million, forty-two thousand, fifty-seven".