40501233 has 6 divisors (see below), whose sum is σ = 58501794. Its totient is φ = 27000816.

The previous prime is 40501231. The next prime is 40501267. The reversal of 40501233 is 33210504.

It can be written as a sum of positive squares in only one way, i.e., 35247969 + 5253264 = 5937^2 + 2292^2 .

It is not a de Polignac number, because 40501233 - 2¹ = 40501231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40501231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2250060 + ... + 2250077.

It is an arithmetic number, because the mean of its divisors is an integer number (9750299).

Almost surely, 2^40501233 is an apocalyptic number.

It is an amenable number.

40501233 is a deficient number, since it is larger than the sum of its proper divisors (18000561).

40501233 is a wasteful number, since it uses less digits than its factorization.

40501233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500143 (or 4500140 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40501233 is about 6364.0579035706. The cubic root of 40501233 is about 343.4177577495.

Adding to 40501233 its reverse (33210504), we get a palindrome (73711737).

The spelling of 40501233 in words is "forty million, five hundred one thousand, two hundred thirty-three".