40811833801 has 4 divisors (see below), whose sum is σ = 40812330132. Its totient is φ = 40811337472.

The previous prime is 40811833787. The next prime is 40811833813. The reversal of 40811833801 is 10833811804.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5855922576 + 34955911225 = 76524^2 + 186965^2 .

It is a cyclic number.

It is not a de Polignac number, because 40811833801 - 2⁹ = 40811833289 is a prime.

It is a super-2 number, since 2×40811833801² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40811833861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92116 + ... + 300181.

It is an arithmetic number, because the mean of its divisors is an integer number (10203082533).

Almost surely, 2^40811833801 is an apocalyptic number.

It is an amenable number.

40811833801 is a deficient number, since it is larger than the sum of its proper divisors (496331).

40811833801 is a wasteful number, since it uses less digits than its factorization.

40811833801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496330.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 40811833801 in words is "forty billion, eight hundred eleven million, eight hundred thirty-three thousand, eight hundred one".