40223500 has 24 divisors (see below), whose sum is σ = 87849216. Its totient is φ = 16089200.

The previous prime is 40223473. The next prime is 40223509. The reversal of 40223500 is 532204.

It is not an unprimeable number, because it can be changed into a prime (40223509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39724 + ... + 40723.

It is an arithmetic number, because the mean of its divisors is an integer number (3660384).

Almost surely, 2^40223500 is an apocalyptic number.

It is an amenable number.

40223500 is an abundant number, since it is smaller than the sum of its proper divisors (47625716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40223500 is a wasteful number, since it uses less digits than its factorization.

40223500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80466 (or 80454 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40223500 is about 6342.1999337769. The cubic root of 40223500 is about 342.6309726952.

Adding to 40223500 its reverse (532204), we get a palindrome (40755704).

The spelling of 40223500 in words is "forty million, two hundred twenty-three thousand, five hundred".