40142315573 has 2 divisors, whose sum is σ = 40142315574. Its totient is φ = 40142315572.

The previous prime is 40142315519. The next prime is 40142315579. The reversal of 40142315573 is 37551324104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22699038244 + 17443277329 = 150662^2 + 132073^2 .

It is a cyclic number.

It is not a de Polignac number, because 40142315573 - 2¹² = 40142311477 is a prime.

It is a super-2 number, since 2×40142315573² (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 (40142315579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20071157786 + 20071157787.

It is an arithmetic number, because the mean of its divisors is an integer number (20071157787).

Almost surely, 2^40142315573 is an apocalyptic number.

It is an amenable number.

40142315573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40142315573 is an equidigital number, since it uses as much as digits as its factorization.

40142315573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 40142315573 its reverse (37551324104), we get a palindrome (77693639677).

The spelling of 40142315573 in words is "forty billion, one hundred forty-two million, three hundred fifteen thousand, five hundred seventy-three".