40631355823447 has 2 divisors, whose sum is σ = 40631355823448. Its totient is φ = 40631355823446.

The previous prime is 40631355823441. The next prime is 40631355823453. The reversal of 40631355823447 is 74432855313604.

It is a balanced prime because it is at equal distance from previous prime (40631355823441) and next prime (40631355823453).

It is a cyclic number.

It is not a de Polignac number, because 40631355823447 - 2⁷ = 40631355823319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40631355823441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20315677911723 + 20315677911724.

It is an arithmetic number, because the mean of its divisors is an integer number (20315677911724).

Almost surely, 2^{40631355823447} is an apocalyptic number.

40631355823447 is a deficient number, since it is larger than the sum of its proper divisors (1).

40631355823447 is an equidigital number, since it uses as much as digits as its factorization.

40631355823447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 40631355823447 in words is "forty trillion, six hundred thirty-one billion, three hundred fifty-five million, eight hundred twenty-three thousand, four hundred forty-seven".