40305245325225 has 48 divisors (see below), whose sum is σ = 69209324605440. Its totient is φ = 20682176987200.

The previous prime is 40305245325199. The next prime is 40305245325253. The reversal of 40305245325225 is 52252354250304.

It is not a de Polignac number, because 40305245325225 - 2¹⁸ = 40305245063081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96691281 + ... + 97107230.

It is an arithmetic number, because the mean of its divisors is an integer number (1441860929280).

Almost surely, 2^{40305245325225} is an apocalyptic number.

It is an amenable number.

40305245325225 is a deficient number, since it is larger than the sum of its proper divisors (28904079280215).

40305245325225 is a wasteful number, since it uses less digits than its factorization.

40305245325225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193798630 (or 193798625 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 42.

Adding to 40305245325225 its reverse (52252354250304), we get a palindrome (92557599575529).

The spelling of 40305245325225 in words is "forty trillion, three hundred five billion, two hundred forty-five million, three hundred twenty-five thousand, two hundred twenty-five".