40861025 has 6 divisors (see below), whose sum is σ = 50667702. Its totient is φ = 32688800.

The previous prime is 40861019. The next prime is 40861049. The reversal of 40861025 is 52016804.

It can be written as a sum of positive squares in 3 ways, for example, as 118336 + 40742689 = 344^2 + 6383^2 .

It is not a de Polignac number, because 40861025 - 2⁶ = 40860961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40860985 and 40861003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 817196 + ... + 817245.

It is an arithmetic number, because the mean of its divisors is an integer number (8444617).

Almost surely, 2^40861025 is an apocalyptic number.

It is an amenable number.

40861025 is a deficient number, since it is larger than the sum of its proper divisors (9806677).

40861025 is a wasteful number, since it uses less digits than its factorization.

40861025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634451 (or 1634446 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40861025 is about 6392.2629013519. The cubic root of 40861025 is about 344.4316765029.

Adding to 40861025 its reverse (52016804), we get a palindrome (92877829).

The spelling of 40861025 in words is "forty million, eight hundred sixty-one thousand, twenty-five".