40388460241 has 2 divisors, whose sum is σ = 40388460242. Its totient is φ = 40388460240.

The previous prime is 40388460221. The next prime is 40388460247. The reversal of 40388460241 is 14206488304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38649987216 + 1738473025 = 196596^2 + 41695^2 .

It is a cyclic number.

It is not a de Polignac number, because 40388460241 - 2¹⁹ = 40387935953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40388460194 and 40388460203.

It is not a weakly prime, because it can be changed into another prime (40388460247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20194230120 + 20194230121.

It is an arithmetic number, because the mean of its divisors is an integer number (20194230121).

Almost surely, 2^40388460241 is an apocalyptic number.

It is an amenable number.

40388460241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40388460241 is an equidigital number, since it uses as much as digits as its factorization.

40388460241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 40388460241 in words is "forty billion, three hundred eighty-eight million, four hundred sixty thousand, two hundred forty-one".