240404047005137 has 4 divisors (see below), whose sum is σ = 241291146809856. Its totient is φ = 239516947200420.

The previous prime is 240404047005119. The next prime is 240404047005139. The reversal of 240404047005137 is 731500740404042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240404047005137 - 2¹⁴ = 240404046988753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240404047005094 and 240404047005103.

It is not an unprimeable number, because it can be changed into a prime (240404047005139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443549901953 + ... + 443549902494.

It is an arithmetic number, because the mean of its divisors is an integer number (60322786702464).

Almost surely, 2^{240404047005137} is an apocalyptic number.

It is an amenable number.

240404047005137 is a deficient number, since it is larger than the sum of its proper divisors (887099804719).

240404047005137 is an equidigital number, since it uses as much as digits as its factorization.

240404047005137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887099804718.

The product of its (nonzero) digits is 376320, while the sum is 41.

Adding to 240404047005137 its reverse (731500740404042), we get a palindrome (971904787409179).

The spelling of 240404047005137 in words is "two hundred forty trillion, four hundred four billion, forty-seven million, five thousand, one hundred thirty-seven".