40153060261 has 2 divisors, whose sum is σ = 40153060262. Its totient is φ = 40153060260.

The previous prime is 40153060201. The next prime is 40153060273. The reversal of 40153060261 is 16206035104.

40153060261 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., 38419920100 + 1733140161 = 196010^2 + 41631^2 .

It is a cyclic number.

It is not a de Polignac number, because 40153060261 - 2⁷ = 40153060133 is a prime.

It is a super-2 number, since 2×40153060261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40153060201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076530130 + 20076530131.

It is an arithmetic number, because the mean of its divisors is an integer number (20076530131).

Almost surely, 2^40153060261 is an apocalyptic number.

It is an amenable number.

40153060261 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153060261 is an equidigital number, since it uses as much as digits as its factorization.

40153060261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 40153060261 its reverse (16206035104), we get a palindrome (56359095365).

The spelling of 40153060261 in words is "forty billion, one hundred fifty-three million, sixty thousand, two hundred sixty-one".