240540313115455 has 12 divisors (see below), whose sum is σ = 295860292334856. Its totient is φ = 187738780961600.

The previous prime is 240540313115407. The next prime is 240540313115467. The reversal of 240540313115455 is 554511313045042.

It is not a de Polignac number, because 240540313115455 - 2³⁹ = 239990557301567 is a prime.

It is a super-2 number, since 2×240540313115455² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14309349901 + ... + 14309366710.

It is an arithmetic number, because the mean of its divisors is an integer number (24655024361238).

Almost surely, 2^{240540313115455} is an apocalyptic number.

240540313115455 is a deficient number, since it is larger than the sum of its proper divisors (55319979219401).

240540313115455 is an equidigital number, since it uses as much as digits as its factorization.

240540313115455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28618716698 (or 28618716657 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 240540313115455 in words is "two hundred forty trillion, five hundred forty billion, three hundred thirteen million, one hundred fifteen thousand, four hundred fifty-five".