40080388 has 6 divisors (see below), whose sum is σ = 70140686. Its totient is φ = 20040192.

The previous prime is 40080379. The next prime is 40080389. The reversal of 40080388 is 88308004.

It can be written as a sum of positive squares in only one way, i.e., 32285124 + 7795264 = 5682^2 + 2792^2 .

It is not an unprimeable number, because it can be changed into a prime (40080389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010045 + ... + 5010052.

Almost surely, 2^40080388 is an apocalyptic number.

It is an amenable number.

40080388 is a deficient number, since it is larger than the sum of its proper divisors (30060298).

40080388 is a wasteful number, since it uses less digits than its factorization.

40080388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020101 (or 10020099 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 40080388 is about 6330.9073599287. The cubic root of 40080388 is about 342.2241386080.

The spelling of 40080388 in words is "forty million, eighty thousand, three hundred eighty-eight".