40674854818 has 32 divisors (see below), whose sum is σ = 65902875696. Its totient is φ = 18716721408.

The previous prime is 40674854807. The next prime is 40674854819. The reversal of 40674854818 is 81845847604.

It can be written as a sum of positive squares in 8 ways, for example, as 19069676649 + 21605178169 = 138093^2 + 146987^2 .

It is not an unprimeable number, because it can be changed into a prime (40674854819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21041380 + ... + 21043312.

Almost surely, 2^40674854818 is an apocalyptic number.

40674854818 is a deficient number, since it is larger than the sum of its proper divisors (25228020878).

40674854818 is a wasteful number, since it uses less digits than its factorization.

40674854818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958.

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 40674854818 in words is "forty billion, six hundred seventy-four million, eight hundred fifty-four thousand, eight hundred eighteen".