40265040225 has 24 divisors (see below), whose sum is σ = 66591978912. Its totient is φ = 21468092800.

The previous prime is 40265040223. The next prime is 40265040241. The reversal of 40265040225 is 52204056204.

It is a happy number.

It is not a de Polignac number, because 40265040225 - 2¹ = 40265040223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40265040192 and 40265040201.

It is not an unprimeable number, because it can be changed into a prime (40265040223) 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, 168445 + ... + 330005.

It is an arithmetic number, because the mean of its divisors is an integer number (2774665788).

Almost surely, 2^40265040225 is an apocalyptic number.

It is an amenable number.

40265040225 is a deficient number, since it is larger than the sum of its proper divisors (26326938687).

40265040225 is a wasteful number, since it uses less digits than its factorization.

40265040225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164897 (or 164892 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40265040225 its reverse (52204056204), we get a palindrome (92469096429).

The spelling of 40265040225 in words is "forty billion, two hundred sixty-five million, forty thousand, two hundred twenty-five".