40851085241 has 2 divisors, whose sum is σ = 40851085242. Its totient is φ = 40851085240.

The previous prime is 40851085213. The next prime is 40851085267. The reversal of 40851085241 is 14258015804.

40851085241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34970496016 + 5880589225 = 187004^2 + 76685^2 .

It is a cyclic number.

It is not a de Polignac number, because 40851085241 - 2³⁴ = 23671216057 is a prime.

It is a super-2 number, since 2×40851085241² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40851085195 and 40851085204.

It is not a weakly prime, because it can be changed into another prime (40851085141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20425542620 + 20425542621.

It is an arithmetic number, because the mean of its divisors is an integer number (20425542621).

Almost surely, 2^40851085241 is an apocalyptic number.

It is an amenable number.

40851085241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40851085241 is an equidigital number, since it uses as much as digits as its factorization.

40851085241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51200, while the sum is 38.

The spelling of 40851085241 in words is "forty billion, eight hundred fifty-one million, eighty-five thousand, two hundred forty-one".