40118146 has 16 divisors (see below), whose sum is σ = 60850944. Its totient is φ = 19836144.

The previous prime is 40118081. The next prime is 40118159. The reversal of 40118146 is 64181104.

It is a self number, because there is not a number n which added to its sum of digits gives 40118146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130525 + ... + 130831.

It is an arithmetic number, because the mean of its divisors is an integer number (3803184).

Almost surely, 2^40118146 is an apocalyptic number.

40118146 is a deficient number, since it is larger than the sum of its proper divisors (20732798).

40118146 is a wasteful number, since it uses less digits than its factorization.

40118146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 40118146 is about 6333.8886949488. Note that the first 3 decimals coincide. The cubic root of 40118146 is about 342.3315697327.

The spelling of 40118146 in words is "forty million, one hundred eighteen thousand, one hundred forty-six".