40230629 has 2 divisors, whose sum is σ = 40230630. Its totient is φ = 40230628.

The previous prime is 40230613. The next prime is 40230643. The reversal of 40230629 is 92603204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 3045025 = 6098^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 40230629 - 2⁴ = 40230613 is a prime.

It is a super-4 number, since 4×40230629⁴ (a number of 32 digits) contains 4444 as substring.

It is equal to p_2446802 and since 40230629 and 2446802 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 40230598 and 40230607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40230329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115314 + 20115315.

It is an arithmetic number, because the mean of its divisors is an integer number (20115315).

Almost surely, 2^40230629 is an apocalyptic number.

It is an amenable number.

40230629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40230629 is an equidigital number, since it uses as much as digits as its factorization.

40230629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40230629 is about 6342.7619378312. The cubic root of 40230629 is about 342.6512135321.

The spelling of 40230629 in words is "forty million, two hundred thirty thousand, six hundred twenty-nine".