40497118 has 4 divisors (see below), whose sum is σ = 60745680. Its totient is φ = 20248558.

The previous prime is 40497091. The next prime is 40497131. The reversal of 40497118 is 81179404.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10124278 + ... + 10124281.

It is an arithmetic number, because the mean of its divisors is an integer number (15186420).

Almost surely, 2^40497118 is an apocalyptic number.

40497118 is a deficient number, since it is larger than the sum of its proper divisors (20248562).

40497118 is a wasteful number, since it uses less digits than its factorization.

40497118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20248561.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 40497118 is about 6363.7345953457. The cubic root of 40497118 is about 343.4061267297.

The spelling of 40497118 in words is "forty million, four hundred ninety-seven thousand, one hundred eighteen".