40232506 has 16 divisors (see below), whose sum is σ = 64314216. Its totient is φ = 18809856.

The previous prime is 40232503. The next prime is 40232509. The reversal of 40232506 is 60523204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40232503) and next prime (40232509).

It can be written as a sum of positive squares in 4 ways, for example, as 34515625 + 5716881 = 5875^2 + 2391^2 .

It is not an unprimeable number, because it can be changed into a prime (40232503) 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, 1570 + ... + 9106.

Almost surely, 2^40232506 is an apocalyptic number.

40232506 is a deficient number, since it is larger than the sum of its proper divisors (24081710).

40232506 is a wasteful number, since it uses less digits than its factorization.

40232506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40232506 is about 6342.9099000380. The cubic root of 40232506 is about 342.6565423603.

The spelling of 40232506 in words is "forty million, two hundred thirty-two thousand, five hundred six".