40135424101 has 2 divisors, whose sum is σ = 40135424102. Its totient is φ = 40135424100.

The previous prime is 40135424053. The next prime is 40135424113. The reversal of 40135424101 is 10142453104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25719819876 + 14415604225 = 160374^2 + 120065^2 .

It is a cyclic number.

It is not a de Polignac number, because 40135424101 - 2¹⁹ = 40134899813 is a prime.

It is a super-2 number, since 2×40135424101² (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 (40135424401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067712050 + 20067712051.

It is an arithmetic number, because the mean of its divisors is an integer number (20067712051).

Almost surely, 2^40135424101 is an apocalyptic number.

It is an amenable number.

40135424101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40135424101 is an equidigital number, since it uses as much as digits as its factorization.

40135424101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40135424101 its reverse (10142453104), we get a palindrome (50277877205).

The spelling of 40135424101 in words is "forty billion, one hundred thirty-five million, four hundred twenty-four thousand, one hundred one".