40823025 has 48 divisors (see below), whose sum is σ = 71019264. Its totient is φ = 20666880.

The previous prime is 40823017. The next prime is 40823051. The reversal of 40823025 is 52032804.

It is not a de Polignac number, because 40823025 - 2³ = 40823017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40822986 and 40823004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130269 + ... + 130581.

It is an arithmetic number, because the mean of its divisors is an integer number (1479568).

Almost surely, 2^40823025 is an apocalyptic number.

40823025 is the 5217-th pentagonal number.

It is an amenable number.

40823025 is a deficient number, since it is larger than the sum of its proper divisors (30196239).

40823025 is a wasteful number, since it uses less digits than its factorization.

40823025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40823025 is about 6389.2898666440. The cubic root of 40823025 is about 344.3248716839.

Adding to 40823025 its reverse (52032804), we get a palindrome (92855829).

The spelling of 40823025 in words is "forty million, eight hundred twenty-three thousand, twenty-five".