40232530 has 16 divisors (see below), whose sum is σ = 77989464. Its totient is φ = 14855040.

The previous prime is 40232527. The next prime is 40232537. The reversal of 40232530 is 3523204.

40232530 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 4 ways, for example, as 27279729 + 12952801 = 5223^2 + 3599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40232498 and 40232507.

It is not an unprimeable number, because it can be changed into a prime (40232537) 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, 154611 + ... + 154870.

Almost surely, 2^40232530 is an apocalyptic number.

40232530 is a deficient number, since it is larger than the sum of its proper divisors (37756934).

40232530 is a wasteful number, since it uses less digits than its factorization.

40232530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309501.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40232530 is about 6342.9117919139. The cubic root of 40232530 is about 342.6566104955.

Adding to 40232530 its reverse (3523204), we get a palindrome (43755734).

The spelling of 40232530 in words is "forty million, two hundred thirty-two thousand, five hundred thirty".