240054455716393 has 2 divisors, whose sum is σ = 240054455716394. Its totient is φ = 240054455716392.

The previous prime is 240054455716337. The next prime is 240054455716529. The reversal of 240054455716393 is 393617554450042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212289649846569 + 27764805869824 = 14570163^2 + 5269232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240054455716393 is a prime.

It is a super-2 number, since 2×240054455716393² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240054455716193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120027227858196 + 120027227858197.

It is an arithmetic number, because the mean of its divisors is an integer number (120027227858197).

Almost surely, 2^{240054455716393} is an apocalyptic number.

It is an amenable number.

240054455716393 is a deficient number, since it is larger than the sum of its proper divisors (1).

240054455716393 is an equidigital number, since it uses as much as digits as its factorization.

240054455716393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432000, while the sum is 58.

The spelling of 240054455716393 in words is "two hundred forty trillion, fifty-four billion, four hundred fifty-five million, seven hundred sixteen thousand, three hundred ninety-three".