240221212613253 has 16 divisors (see below), whose sum is σ = 374613976785600. Its totient is φ = 151718660597520.

The previous prime is 240221212613237. The next prime is 240221212613281. The reversal of 240221212613253 is 352316212122042.

240221212613253 is a `hidden beast` number, since 2 + 4 + 0 + 2 + 2 + 1 + 2 + 12 + 613 + 25 + 3 = 666.

It is not a de Polignac number, because 240221212613253 - 2⁴ = 240221212613237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240221212612253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234133734978 + ... + 234133736003.

It is an arithmetic number, because the mean of its divisors is an integer number (23413373549100).

Almost surely, 2^{240221212613253} is an apocalyptic number.

It is an amenable number.

240221212613253 is a deficient number, since it is larger than the sum of its proper divisors (134392764172347).

240221212613253 is a wasteful number, since it uses less digits than its factorization.

240221212613253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468267471009 (or 468267471003 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 240221212613253 its reverse (352316212122042), we get a palindrome (592537424735295).

The spelling of 240221212613253 in words is "two hundred forty trillion, two hundred twenty-one billion, two hundred twelve million, six hundred thirteen thousand, two hundred fifty-three".