40225250 has 32 divisors (see below), whose sum is σ = 81100656. Its totient is φ = 14851200.

The previous prime is 40225249. The next prime is 40225271. The reversal of 40225250 is 5252204.

40225250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2193361 + 38031889 = 1481^2 + 6167^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939 + ... + 9438.

Almost surely, 2^40225250 is an apocalyptic number.

40225250 is an abundant number, since it is smaller than the sum of its proper divisors (40875406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40225250 is a wasteful number, since it uses less digits than its factorization.

40225250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407 (or 12397 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 40225250 is about 6342.3378970219. The cubic root of 40225250 is about 342.6359415609.

Adding to 40225250 its reverse (5252204), we get a palindrome (45477454).

It can be divided in two parts, 402 and 25250, that added together give a palindrome (25652).

The spelling of 40225250 in words is "forty million, two hundred twenty-five thousand, two hundred fifty".