40252231 has 8 divisors (see below), whose sum is σ = 42112224. Its totient is φ = 38401440.

The previous prime is 40252213. The next prime is 40252307. The reversal of 40252231 is 13225204.

40252231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40252231 - 2⁹ = 40251719 is a prime.

It is a super-2 number, since 2×40252231² = 3240484200954722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40252199 and 40252208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7605 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (5264028).

Almost surely, 2^40252231 is an apocalyptic number.

40252231 is a deficient number, since it is larger than the sum of its proper divisors (1859993).

40252231 is a wasteful number, since it uses less digits than its factorization.

40252231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40252231 is about 6344.4645952200. The cubic root of 40252231 is about 342.7125318797.

Adding to 40252231 its reverse (13225204), we get a palindrome (53477435).

The spelling of 40252231 in words is "forty million, two hundred fifty-two thousand, two hundred thirty-one".