40818745 has 48 divisors (see below), whose sum is σ = 58605120. Its totient is φ = 27181440.

The previous prime is 40818719. The next prime is 40818761. The reversal of 40818745 is 54781804.

It is not a de Polignac number, because 40818745 - 2⁹ = 40818233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 609202 + ... + 609268.

It is an arithmetic number, because the mean of its divisors is an integer number (1220940).

Almost surely, 2^40818745 is an apocalyptic number.

It is an amenable number.

40818745 is a deficient number, since it is larger than the sum of its proper divisors (17786375).

40818745 is a wasteful number, since it uses less digits than its factorization.

40818745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 40818745 is about 6388.9549223641. The cubic root of 40818745 is about 344.3128379362.

The spelling of 40818745 in words is "forty million, eight hundred eighteen thousand, seven hundred forty-five".