40418920184 has 32 divisors (see below), whose sum is σ = 77604993840. Its totient is φ = 19724947200.

The previous prime is 40418920181. The next prime is 40418920193. The reversal of 40418920184 is 48102981404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40418920181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432524 + ... + 517604.

Almost surely, 2^40418920184 is an apocalyptic number.

It is an amenable number.

40418920184 is a deficient number, since it is larger than the sum of its proper divisors (37186073656).

40418920184 is a wasteful number, since it uses less digits than its factorization.

40418920184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86511 (or 86507 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 40418920184 in words is "forty billion, four hundred eighteen million, nine hundred twenty thousand, one hundred eighty-four".