40118905393 has 8 divisors (see below), whose sum is σ = 46255932288. Its totient is φ = 34083317184.

The previous prime is 40118905361. The next prime is 40118905423. The reversal of 40118905393 is 39350981104.

40118905393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40118905393 - 2⁵ = 40118905361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40118905303) 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, 25358821 + ... + 25360402.

It is an arithmetic number, because the mean of its divisors is an integer number (5781991536).

Almost surely, 2^40118905393 is an apocalyptic number.

It is an amenable number.

40118905393 is a deficient number, since it is larger than the sum of its proper divisors (6137026895).

40118905393 is a wasteful number, since it uses less digits than its factorization.

40118905393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50719343.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 40118905393 in words is "forty billion, one hundred eighteen million, nine hundred five thousand, three hundred ninety-three".