240551544711457 has 24 divisors (see below), whose sum is σ = 280225490550696. Its totient is φ = 205892209087488.

The previous prime is 240551544711437. The next prime is 240551544711463. The reversal of 240551544711457 is 754117445155042.

It can be written as a sum of positive squares in 4 ways, for example, as 19151161449616 + 221400383261841 = 4376204^2 + 14879529^2 .

It is not a de Polignac number, because 240551544711457 - 2¹⁹ = 240551544187169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240551544711398 and 240551544711407.

It is not an unprimeable number, because it can be changed into a prime (240551544711427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279595143 + ... + 280454179.

It is an arithmetic number, because the mean of its divisors is an integer number (11676062106279).

Almost surely, 2^{240551544711457} is an apocalyptic number.

It is an amenable number.

240551544711457 is a deficient number, since it is larger than the sum of its proper divisors (39673945839239).

240551544711457 is an equidigital number, since it uses as much as digits as its factorization.

240551544711457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867217 (or 867210 counting only the distinct ones).

The product of its (nonzero) digits is 15680000, while the sum is 55.

Adding to 240551544711457 its reverse (754117445155042), we get a palindrome (994668989866499).

The spelling of 240551544711457 in words is "two hundred forty trillion, five hundred fifty-one billion, five hundred forty-four million, seven hundred eleven thousand, four hundred fifty-seven".