40618413328 has 40 divisors (see below), whose sum is σ = 80659837440. Its totient is φ = 19803490560.

The previous prime is 40618413323. The next prime is 40618413371. The reversal of 40618413328 is 82331481604.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40618413323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322401 + ... + 1352767.

It is an arithmetic number, because the mean of its divisors is an integer number (2016495936).

Almost surely, 2^40618413328 is an apocalyptic number.

It is an amenable number.

40618413328 is a deficient number, since it is larger than the sum of its proper divisors (40041424112).

40618413328 is a wasteful number, since it uses less digits than its factorization.

40618413328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32455 (or 32449 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 40618413328 in words is "forty billion, six hundred eighteen million, four hundred thirteen thousand, three hundred twenty-eight".