40373828 has 18 divisors (see below), whose sum is σ = 77662158. Its totient is φ = 18351520.

The previous prime is 40373821. The next prime is 40373831. The reversal of 40373828 is 82837304.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 14992384 = 5038^2 + 3872^2 .

It is not an unprimeable number, because it can be changed into a prime (40373821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41225 + ... + 42192.

Almost surely, 2^40373828 is an apocalyptic number.

It is an amenable number.

40373828 is a deficient number, since it is larger than the sum of its proper divisors (37288330).

40373828 is a wasteful number, since it uses less digits than its factorization.

40373828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83443 (or 83430 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 40373828 is about 6354.0402894536. The cubic root of 40373828 is about 343.0572823211.

The spelling of 40373828 in words is "forty million, three hundred seventy-three thousand, eight hundred twenty-eight".