40170180629 has 2 divisors, whose sum is σ = 40170180630. Its totient is φ = 40170180628.

The previous prime is 40170180619. The next prime is 40170180751. The reversal of 40170180629 is 92608107104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40170180625 + 4 = 200425^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 40170180629 - 2¹² = 40170176533 is a prime.

It is a super-2 number, since 2×40170180629² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40170180592 and 40170180601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40170180619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20085090314 + 20085090315.

It is an arithmetic number, because the mean of its divisors is an integer number (20085090315).

Almost surely, 2^40170180629 is an apocalyptic number.

It is an amenable number.

40170180629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40170180629 is an equidigital number, since it uses as much as digits as its factorization.

40170180629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 40170180629 in words is "forty billion, one hundred seventy million, one hundred eighty thousand, six hundred twenty-nine".