40140475097 has 2 divisors, whose sum is σ = 40140475098. Its totient is φ = 40140475096.

The previous prime is 40140475087. The next prime is 40140475121. The reversal of 40140475097 is 79057404104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33353351641 + 6787123456 = 182629^2 + 82384^2 .

It is a cyclic number.

It is not a de Polignac number, because 40140475097 - 2²⁰ = 40139426521 is a prime.

It is a super-2 number, since 2×40140475097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40140475087) 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 as a sum of consecutive naturals, namely, 20070237548 + 20070237549.

It is an arithmetic number, because the mean of its divisors is an integer number (20070237549).

Almost surely, 2^40140475097 is an apocalyptic number.

It is an amenable number.

40140475097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140475097 is an equidigital number, since it uses as much as digits as its factorization.

40140475097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 40140475097 in words is "forty billion, one hundred forty million, four hundred seventy-five thousand, ninety-seven".