40812851300818 has 8 divisors (see below), whose sum is σ = 61310241703548. Its totient is φ = 20376104066304.

The previous prime is 40812851300797. The next prime is 40812851300867. The reversal of 40812851300818 is 81800315821804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40349720692449 + 463130608369 = 6352143^2 + 680537^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15160790371 + ... + 15160793062.

Almost surely, 2^{40812851300818} is an apocalyptic number.

40812851300818 is a deficient number, since it is larger than the sum of its proper divisors (20497390402730).

40812851300818 is a wasteful number, since it uses less digits than its factorization.

40812851300818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30321584108.

The product of its (nonzero) digits is 491520, while the sum is 49.

The spelling of 40812851300818 in words is "forty trillion, eight hundred twelve billion, eight hundred fifty-one million, three hundred thousand, eight hundred eighteen".