40730342441 has 2 divisors, whose sum is σ = 40730342442. Its totient is φ = 40730342440.

The previous prime is 40730342399. The next prime is 40730342459. The reversal of 40730342441 is 14424303704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37627852441 + 3102490000 = 193979^2 + 55700^2 .

It is a cyclic number.

It is not a de Polignac number, because 40730342441 - 2⁶ = 40730342377 is a prime.

It is a super-2 number, since 2×40730342441² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40730342398 and 40730342407.

It is not a weakly prime, because it can be changed into another prime (40730342461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20365171220 + 20365171221.

It is an arithmetic number, because the mean of its divisors is an integer number (20365171221).

Almost surely, 2^40730342441 is an apocalyptic number.

It is an amenable number.

40730342441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40730342441 is an equidigital number, since it uses as much as digits as its factorization.

40730342441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 40730342441 in words is "forty billion, seven hundred thirty million, three hundred forty-two thousand, four hundred forty-one".