40450231 has 8 divisors (see below), whose sum is σ = 41596128. Its totient is φ = 39312000.

The previous prime is 40450199. The next prime is 40450237. The reversal of 40450231 is 13205404.

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 40450231 - 2⁵ = 40450199 is a prime.

It is a super-2 number, since 2×40450231² = 3272442375906722, 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 = 40450199 and 40450208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9766 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (5199516).

Almost surely, 2^40450231 is an apocalyptic number.

40450231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40450231 is a deficient number, since it is larger than the sum of its proper divisors (1145897).

40450231 is a wasteful number, since it uses less digits than its factorization.

40450231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

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

The square root of 40450231 is about 6360.0496067248. The cubic root of 40450231 is about 343.2735452703.

Adding to 40450231 its reverse (13205404), we get a palindrome (53655635).

The spelling of 40450231 in words is "forty million, four hundred fifty thousand, two hundred thirty-one".