40232028 has 12 divisors (see below), whose sum is σ = 93874760. Its totient is φ = 13410672.

The previous prime is 40231999. The next prime is 40232033. The reversal of 40232028 is 82023204.

40232028 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 40231995 and 40232013.

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 3 ways as a sum of consecutive naturals, for example, 1676323 + ... + 1676346.

Almost surely, 2^40232028 is an apocalyptic number.

It is an amenable number.

40232028 is an abundant number, since it is smaller than the sum of its proper divisors (53642732).

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

40232028 is a wasteful number, since it uses less digits than its factorization.

40232028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352676 (or 3352674 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40232028 is about 6342.8722200593. The cubic root of 40232028 is about 342.6551853276.

The spelling of 40232028 in words is "forty million, two hundred thirty-two thousand, twenty-eight".