40204850831 has 2 divisors, whose sum is σ = 40204850832. Its totient is φ = 40204850830.

The previous prime is 40204850821. The next prime is 40204850849. The reversal of 40204850831 is 13805840204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40204850831 - 2¹⁰ = 40204849807 is a prime.

It is a super-2 number, since 2×40204850831² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 40204850791 and 40204850800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40204850821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102425415 + 20102425416.

It is an arithmetic number, because the mean of its divisors is an integer number (20102425416).

Almost surely, 2^40204850831 is an apocalyptic number.

40204850831 is a deficient number, since it is larger than the sum of its proper divisors (1).

40204850831 is an equidigital number, since it uses as much as digits as its factorization.

40204850831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 40204850831 in words is "forty billion, two hundred four million, eight hundred fifty thousand, eight hundred thirty-one".