40135725105206 has 16 divisors (see below), whose sum is σ = 60333791798016. Its totient is φ = 20024507969256.

The previous prime is 40135725105163. The next prime is 40135725105209. The reversal of 40135725105206 is 60250152753104.

It is a super-2 number, since 2×40135725105206² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135725105209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9982796 + ... + 13413711.

It is an arithmetic number, because the mean of its divisors is an integer number (3770861987376).

Almost surely, 2^{40135725105206} is an apocalyptic number.

40135725105206 is a deficient number, since it is larger than the sum of its proper divisors (20198066692810).

40135725105206 is a wasteful number, since it uses less digits than its factorization.

40135725105206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23398363.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 40135725105206 in words is "forty trillion, one hundred thirty-five billion, seven hundred twenty-five million, one hundred five thousand, two hundred six".