40261025 has 12 divisors (see below), whose sum is σ = 57055872. Its totient is φ = 27607440.

The previous prime is 40261021. The next prime is 40261027. The reversal of 40261025 is 52016204.

It is a happy number.

It is not a de Polignac number, because 40261025 - 2² = 40261021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40260988 and 40261006.

It is not an unprimeable number, because it can be changed into a prime (40261021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114857 + ... + 115206.

It is an arithmetic number, because the mean of its divisors is an integer number (4754656).

Almost surely, 2^40261025 is an apocalyptic number.

It is an amenable number.

40261025 is a deficient number, since it is larger than the sum of its proper divisors (16794847).

40261025 is a wasteful number, since it uses less digits than its factorization.

40261025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230080 (or 230075 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40261025 is about 6345.1576024556. The cubic root of 40261025 is about 342.7374878012.

Adding to 40261025 its reverse (52016204), we get a palindrome (92277229).

The spelling of 40261025 in words is "forty million, two hundred sixty-one thousand, twenty-five".