40272418 has 8 divisors (see below), whose sum is σ = 60477120. Its totient is φ = 20113380.

The previous prime is 40272403. The next prime is 40272443. The reversal of 40272418 is 81427204.

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

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, 9118 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (7559640).

Almost surely, 2^40272418 is an apocalyptic number.

40272418 is a deficient number, since it is larger than the sum of its proper divisors (20204702).

40272418 is a wasteful number, since it uses less digits than its factorization.

40272418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22832.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40272418 is about 6346.0553101907. The cubic root of 40272418 is about 342.7698138529.

The spelling of 40272418 in words is "forty million, two hundred seventy-two thousand, four hundred eighteen".