40203828 has 36 divisors (see below), whose sum is σ = 116145120. Its totient is φ = 11486736.

The previous prime is 40203809. The next prime is 40203841. The reversal of 40203828 is 82830204.

40203828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79518 + ... + 80021.

Almost surely, 2^40203828 is an apocalyptic number.

It is an amenable number.

40203828 is an abundant number, since it is smaller than the sum of its proper divisors (75941292).

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

40203828 is a wasteful number, since it uses less digits than its factorization.

40203828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159556 (or 159551 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40203828 is about 6340.6488626954. The cubic root of 40203828 is about 342.5751070478.

The spelling of 40203828 in words is "forty million, two hundred three thousand, eight hundred twenty-eight".