8040856441 has 2 divisors, whose sum is σ = 8040856442. Its totient is φ = 8040856440.

The previous prime is 8040856427. The next prime is 8040856457. The reversal of 8040856441 is 1446580408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4172514025 + 3868342416 = 64595^2 + 62196^2 .

It is a cyclic number.

It is not a de Polignac number, because 8040856441 - 2⁹ = 8040855929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8040856394 and 8040856403.

It is not a weakly prime, because it can be changed into another prime (8040856141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020428220 + 4020428221.

It is an arithmetic number, because the mean of its divisors is an integer number (4020428221).

Almost surely, 2^8040856441 is an apocalyptic number.

It is an amenable number.

8040856441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040856441 is an equidigital number, since it uses as much as digits as its factorization.

8040856441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 8040856441 is about 89670.8226849737. The cubic root of 8040856441 is about 2003.3989238029.

The spelling of 8040856441 in words is "eight billion, forty million, eight hundred fifty-six thousand, four hundred forty-one".