40115330 has 8 divisors (see below), whose sum is σ = 72207612. Its totient is φ = 16046128.

The previous prime is 40115303. The next prime is 40115347. The reversal of 40115330 is 3351104.

It can be written as a sum of positive squares in 2 ways, for example, as 34774609 + 5340721 = 5897^2 + 2311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40115299 and 40115308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005757 + ... + 2005776.

Almost surely, 2^40115330 is an apocalyptic number.

40115330 is a deficient number, since it is larger than the sum of its proper divisors (32092282).

40115330 is a wasteful number, since it uses less digits than its factorization.

40115330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011540.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 40115330 is about 6333.6663947511. Note that the first 3 decimals coincide. The cubic root of 40115330 is about 342.3235598224.

Adding to 40115330 its reverse (3351104), we get a palindrome (43466434).

The spelling of 40115330 in words is "forty million, one hundred fifteen thousand, three hundred thirty".