240355420110513 has 6 divisors (see below), whose sum is σ = 347180051270754. Its totient is φ = 160236946740336.

The previous prime is 240355420110511. The next prime is 240355420110523. The reversal of 240355420110513 is 315011024553042.

240355420110513 is a `hidden beast` number, since 2 + 4 + 0 + 3 + 5 + 5 + 4 + 20 + 110 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143379741360384 + 96975678750129 = 11974128^2 + 9847623^2 .

It is not a de Polignac number, because 240355420110513 - 2¹ = 240355420110511 is a prime.

It is a super-4 number, since 4×240355420110513⁴ (a number of 59 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (240355420110511) 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 5 ways as a sum of consecutive naturals, for example, 13353078895020 + ... + 13353078895037.

It is an arithmetic number, because the mean of its divisors is an integer number (57863341878459).

Almost surely, 2^{240355420110513} is an apocalyptic number.

It is an amenable number.

240355420110513 is a deficient number, since it is larger than the sum of its proper divisors (106824631160241).

240355420110513 is a wasteful number, since it uses less digits than its factorization.

240355420110513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26706157790063 (or 26706157790060 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 240355420110513 its reverse (315011024553042), we get a palindrome (555366444663555).

The spelling of 240355420110513 in words is "two hundred forty trillion, three hundred fifty-five billion, four hundred twenty million, one hundred ten thousand, five hundred thirteen".