40650025 has 48 divisors (see below), whose sum is σ = 59371200. Its totient is φ = 27336960.

The previous prime is 40650023. The next prime is 40650041. The reversal of 40650025 is 52005604.

It is not a de Polignac number, because 40650025 - 2¹ = 40650023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40649978 and 40650005.

It is not an unprimeable number, because it can be changed into a prime (40650023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178962 + ... + 179188.

It is an arithmetic number, because the mean of its divisors is an integer number (1236900).

Almost surely, 2^40650025 is an apocalyptic number.

It is an amenable number.

40650025 is a deficient number, since it is larger than the sum of its proper divisors (18721175).

40650025 is a wasteful number, since it uses less digits than its factorization.

40650025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40650025 is about 6375.7372122759. The cubic root of 40650025 is about 343.8377891482.

Adding to 40650025 its reverse (52005604), we get a palindrome (92655629).

The spelling of 40650025 in words is "forty million, six hundred fifty thousand, twenty-five".