40242025 has 12 divisors (see below), whose sum is σ = 49998784. Its totient is φ = 32130000.

The previous prime is 40241989. The next prime is 40242079. The reversal of 40242025 is 52024204.

It is not a de Polignac number, because 40242025 - 2⁷ = 40241897 is a prime.

It is a super-2 number, since 2×40242025² = 3238841152201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40241993 and 40242011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14500 + ... + 17050.

Almost surely, 2^40242025 is an apocalyptic number.

It is an amenable number.

40242025 is a deficient number, since it is larger than the sum of its proper divisors (9756759).

40242025 is a wasteful number, since it uses less digits than its factorization.

40242025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 40242025 is about 6343.6602210396. The cubic root of 40242025 is about 342.6835643776.

Adding to 40242025 its reverse (52024204), we get a palindrome (92266229).

The spelling of 40242025 in words is "forty million, two hundred forty-two thousand, twenty-five".