40532263 has 4 divisors (see below), whose sum is σ = 42665560. Its totient is φ = 38398968.

The previous prime is 40532213. The next prime is 40532269. The reversal of 40532263 is 36223504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40532263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40532269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066620 + ... + 1066657.

It is an arithmetic number, because the mean of its divisors is an integer number (10666390).

Almost surely, 2^40532263 is an apocalyptic number.

40532263 is a deficient number, since it is larger than the sum of its proper divisors (2133297).

40532263 is a wasteful number, since it uses less digits than its factorization.

40532263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133296.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40532263 is about 6366.4953467351. The cubic root of 40532263 is about 343.5054384773.

Adding to 40532263 its reverse (36223504), we get a palindrome (76755767).

The spelling of 40532263 in words is "forty million, five hundred thirty-two thousand, two hundred sixty-three".