40783228 has 12 divisors (see below), whose sum is σ = 73673152. Its totient is φ = 19733760.

The previous prime is 40783217. The next prime is 40783229. The reversal of 40783228 is 82238704.

It is a junction number, because it is equal to n+sod(n) for n = 40783193 and 40783202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40783229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164325 + ... + 164572.

Almost surely, 2^40783228 is an apocalyptic number.

It is an amenable number.

40783228 is a deficient number, since it is larger than the sum of its proper divisors (32889924).

40783228 is a wasteful number, since it uses less digits than its factorization.

40783228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328932 (or 328930 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 40783228 is about 6386.1747548904. The cubic root of 40783228 is about 344.2129450426.

The spelling of 40783228 in words is "forty million, seven hundred eighty-three thousand, two hundred twenty-eight".