40432225 has 6 divisors (see below), whose sum is σ = 50135990. Its totient is φ = 32345760.

The previous prime is 40432211. The next prime is 40432237. The reversal of 40432225 is 52223404.

It can be written as a sum of positive squares in 3 ways, for example, as 33489 + 40398736 = 183^2 + 6356^2 .

It is not a de Polignac number, because 40432225 - 2⁷ = 40432097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40432196 and 40432205.

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, 808620 + ... + 808669.

Almost surely, 2^40432225 is an apocalyptic number.

It is an amenable number.

40432225 is a deficient number, since it is larger than the sum of its proper divisors (9703765).

40432225 is a wasteful number, since it uses less digits than its factorization.

40432225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617299 (or 1617294 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40432225 is about 6358.6338941631. The cubic root of 40432225 is about 343.2226028269. Note that the first 3 decimals are identical.

Adding to 40432225 its reverse (52223404), we get a palindrome (92655629).

The spelling of 40432225 in words is "forty million, four hundred thirty-two thousand, two hundred twenty-five".