40469900 has 18 divisors (see below), whose sum is σ = 87819900. Its totient is φ = 16187920.

The previous prime is 40469893. The next prime is 40469921. The reversal of 40469900 is 996404.

It is a happy number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 202250 + ... + 202449.

Almost surely, 2^40469900 is an apocalyptic number.

It is an amenable number.

40469900 is an abundant number, since it is smaller than the sum of its proper divisors (47350000).

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

40469900 is a wasteful number, since it uses less digits than its factorization.

40469900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404713 (or 404706 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40469900 is about 6361.5957117692. The cubic root of 40469900 is about 343.3291753877.

The spelling of 40469900 in words is "forty million, four hundred sixty-nine thousand, nine hundred".