40353371818 has 16 divisors (see below), whose sum is σ = 64426212864. Its totient is φ = 18890395840.

The previous prime is 40353371803. The next prime is 40353371831. The reversal of 40353371818 is 81817335304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3100480 + ... + 3113467.

It is an arithmetic number, because the mean of its divisors is an integer number (4026638304).

Almost surely, 2^40353371818 is an apocalyptic number.

40353371818 is a deficient number, since it is larger than the sum of its proper divisors (24072841046).

40353371818 is a wasteful number, since it uses less digits than its factorization.

40353371818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214157.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 40353371818 in words is "forty billion, three hundred fifty-three million, three hundred seventy-one thousand, eight hundred eighteen".