40618468 has 12 divisors (see below), whose sum is σ = 77544432. Its totient is φ = 18462920.

The previous prime is 40618451. The next prime is 40618469. The reversal of 40618468 is 86481604.

It is not an unprimeable number, because it can be changed into a prime (40618469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461530 + ... + 461617.

It is an arithmetic number, because the mean of its divisors is an integer number (6462036).

Almost surely, 2^40618468 is an apocalyptic number.

It is an amenable number.

40618468 is a deficient number, since it is larger than the sum of its proper divisors (36925964).

40618468 is a wasteful number, since it uses less digits than its factorization.

40618468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923162 (or 923160 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 40618468 is about 6373.2619591540. The cubic root of 40618468 is about 343.7487912685.

The spelling of 40618468 in words is "forty million, six hundred eighteen thousand, four hundred sixty-eight".