240653131394419 has 4 divisors (see below), whose sum is σ = 246249715845496. Its totient is φ = 235056546943344.

The previous prime is 240653131394413. The next prime is 240653131394447. The reversal of 240653131394419 is 914493131356042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240653131394419 is a prime.

It is a super-2 number, since 2×240653131394419² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240653131394419.

It is not an unprimeable number, because it can be changed into a prime (240653131394413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798292225474 + ... + 2798292225559.

It is an arithmetic number, because the mean of its divisors is an integer number (61562428961374).

Almost surely, 2^{240653131394419} is an apocalyptic number.

240653131394419 is a deficient number, since it is larger than the sum of its proper divisors (5596584451077).

240653131394419 is an equidigital number, since it uses as much as digits as its factorization.

240653131394419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596584451076.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 240653131394419 in words is "two hundred forty trillion, six hundred fifty-three billion, one hundred thirty-one million, three hundred ninety-four thousand, four hundred nineteen".