240161115243747 has 8 divisors (see below), whose sum is σ = 320214892303360. Its totient is φ = 160107374173320.

The previous prime is 240161115243719. The next prime is 240161115243761. The reversal of 240161115243747 is 747342511161042.

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

It is not a de Polignac number, because 240161115243747 - 2¹⁰ = 240161115242723 is a prime.

It is a super-2 number, since 2×240161115243747² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240161115243696 and 240161115243705.

It is not an unprimeable number, because it can be changed into a prime (240161155243747) 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, 19177254 + ... + 29121972.

It is an arithmetic number, because the mean of its divisors is an integer number (40026861537920).

Almost surely, 2^{240161115243747} is an apocalyptic number.

240161115243747 is a deficient number, since it is larger than the sum of its proper divisors (80053777059613).

240161115243747 is an equidigital number, since it uses as much as digits as its factorization.

240161115243747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994593.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 240161115243747 in words is "two hundred forty trillion, one hundred sixty-one billion, one hundred fifteen million, two hundred forty-three thousand, seven hundred forty-seven".