40318946 has 8 divisors (see below), whose sum is σ = 60630444. Its totient is φ = 20108800.

The previous prime is 40318939. The next prime is 40318981. The reversal of 40318946 is 64981304.

It can be written as a sum of positive squares in 2 ways, for example, as 34093921 + 6225025 = 5839^2 + 2495^2 .

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, 24335 + ... + 25938.

Almost surely, 2^40318946 is an apocalyptic number.

40318946 is a deficient number, since it is larger than the sum of its proper divisors (20311498).

40318946 is a wasteful number, since it uses less digits than its factorization.

40318946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 40318946 is about 6349.7201513138. The cubic root of 40318946 is about 342.9017673233.

The spelling of 40318946 in words is "forty million, three hundred eighteen thousand, nine hundred forty-six".