40710218 has 4 divisors (see below), whose sum is σ = 61065330. Its totient is φ = 20355108.

The previous prime is 40710199. The next prime is 40710233. The reversal of 40710218 is 81201704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28270489 + 12439729 = 5317^2 + 3527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40710193 and 40710202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10177553 + ... + 10177556.

Almost surely, 2^40710218 is an apocalyptic number.

40710218 is a deficient number, since it is larger than the sum of its proper divisors (20355112).

40710218 is a wasteful number, since it uses less digits than its factorization.

40710218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355111.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 40710218 is about 6380.4559398212. The cubic root of 40710218 is about 344.0074193911.

The spelling of 40710218 in words is "forty million, seven hundred ten thousand, two hundred eighteen".