40814428331 has 2 divisors, whose sum is σ = 40814428332. Its totient is φ = 40814428330.

The previous prime is 40814428327. The next prime is 40814428337. The reversal of 40814428331 is 13382441804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40814428331 - 2² = 40814428327 is a prime.

It is a super-2 number, since 2×40814428331² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40814428337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20407214165 + 20407214166.

It is an arithmetic number, because the mean of its divisors is an integer number (20407214166).

Almost surely, 2^40814428331 is an apocalyptic number.

40814428331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40814428331 is an equidigital number, since it uses as much as digits as its factorization.

40814428331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 40814428331 in words is "forty billion, eight hundred fourteen million, four hundred twenty-eight thousand, three hundred thirty-one".