240529395553 has 2 divisors, whose sum is σ = 240529395554. Its totient is φ = 240529395552.

The previous prime is 240529395551. The next prime is 240529395629. The reversal of 240529395553 is 355593925042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223622114769 + 16907280784 = 472887^2 + 130028^2 .

It is a cyclic number.

It is not a de Polignac number, because 240529395553 - 2¹ = 240529395551 is a prime.

Together with 240529395551, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 240529395553.

It is not a weakly prime, because it can be changed into another prime (240529395551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120264697776 + 120264697777.

It is an arithmetic number, because the mean of its divisors is an integer number (120264697777).

Almost surely, 2^240529395553 is an apocalyptic number.

It is an amenable number.

240529395553 is a deficient number, since it is larger than the sum of its proper divisors (1).

240529395553 is an equidigital number, since it uses as much as digits as its factorization.

240529395553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290000, while the sum is 52.

The spelling of 240529395553 in words is "two hundred forty billion, five hundred twenty-nine million, three hundred ninety-five thousand, five hundred fifty-three".