40032425 has 12 divisors (see below), whose sum is σ = 49758720. Its totient is φ = 31949520.

The previous prime is 40032403. The next prime is 40032451. The reversal of 40032425 is 52423004.

It is not a de Polignac number, because 40032425 - 2⁶ = 40032361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40032397 and 40032406.

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, 10304 + ... + 13646.

It is an arithmetic number, because the mean of its divisors is an integer number (4146560).

Almost surely, 2^40032425 is an apocalyptic number.

It is an amenable number.

40032425 is a deficient number, since it is larger than the sum of its proper divisors (9726295).

40032425 is a wasteful number, since it uses less digits than its factorization.

40032425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3827 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40032425 is about 6327.1182223821. The cubic root of 40032425 is about 342.0875743268.

Adding to 40032425 its reverse (52423004), we get a palindrome (92455429).

The spelling of 40032425 in words is "forty million, thirty-two thousand, four hundred twenty-five".