240321541505225 has 48 divisors (see below), whose sum is σ = 305206019939520. Its totient is φ = 187656959520000.

The previous prime is 240321541505219. The next prime is 240321541505281. The reversal of 240321541505225 is 522505145123042.

It is not a de Polignac number, because 240321541505225 - 2¹⁶ = 240321541439689 is a prime.

It is a super-2 number, since 2×240321541505225² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453573710 + ... + 454103240.

It is an arithmetic number, because the mean of its divisors is an integer number (6358458748740).

Almost surely, 2^{240321541505225} is an apocalyptic number.

240321541505225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240321541505225 is a deficient number, since it is larger than the sum of its proper divisors (64884478434295).

240321541505225 is a wasteful number, since it uses less digits than its factorization.

240321541505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531882 (or 531877 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 240321541505225 its reverse (522505145123042), we get a palindrome (762826686628267).

The spelling of 240321541505225 in words is "two hundred forty trillion, three hundred twenty-one billion, five hundred forty-one million, five hundred five thousand, two hundred twenty-five".