40255356541 has 2 divisors, whose sum is σ = 40255356542. Its totient is φ = 40255356540.

The previous prime is 40255356527. The next prime is 40255356577. The reversal of 40255356541 is 14565355204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35580899641 + 4674456900 = 188629^2 + 68370^2 .

It is a cyclic number.

It is not a de Polignac number, because 40255356541 - 2¹³ = 40255348349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40255356494 and 40255356503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40255356241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127678270 + 20127678271.

It is an arithmetic number, because the mean of its divisors is an integer number (20127678271).

Almost surely, 2^40255356541 is an apocalyptic number.

It is an amenable number.

40255356541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40255356541 is an equidigital number, since it uses as much as digits as its factorization.

40255356541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 40255356541 in words is "forty billion, two hundred fifty-five million, three hundred fifty-six thousand, five hundred forty-one".