40155201041 has 2 divisors, whose sum is σ = 40155201042. Its totient is φ = 40155201040.

The previous prime is 40155201019. The next prime is 40155201083. The reversal of 40155201041 is 14010255104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39948416641 + 206784400 = 199871^2 + 14380^2 .

It is a cyclic number.

It is not a de Polignac number, because 40155201041 - 2¹⁸ = 40154938897 is a prime.

It is a super-2 number, since 2×40155201041² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40155200998 and 40155201016.

It is not a weakly prime, because it can be changed into another prime (40155201091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20077600520 + 20077600521.

It is an arithmetic number, because the mean of its divisors is an integer number (20077600521).

Almost surely, 2^40155201041 is an apocalyptic number.

It is an amenable number.

40155201041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40155201041 is an equidigital number, since it uses as much as digits as its factorization.

40155201041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 40155201041 its reverse (14010255104), we get a palindrome (54165456145).

The spelling of 40155201041 in words is "forty billion, one hundred fifty-five million, two hundred one thousand, forty-one".