40470029 has 2 divisors, whose sum is σ = 40470030. Its totient is φ = 40470028.

The previous prime is 40469987. The next prime is 40470037. The reversal of 40470029 is 92007404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22108804 + 18361225 = 4702^2 + 4285^2 .

It is a cyclic number.

It is not a de Polignac number, because 40470029 - 2¹⁶ = 40404493 is a prime.

It is equal to p_2460536 and since 40470029 and 2460536 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40470229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20235014 + 20235015.

It is an arithmetic number, because the mean of its divisors is an integer number (20235015).

Almost surely, 2^40470029 is an apocalyptic number.

It is an amenable number.

40470029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40470029 is an equidigital number, since it uses as much as digits as its factorization.

40470029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40470029 is about 6361.6058507267. The cubic root of 40470029 is about 343.3295401808.

The spelling of 40470029 in words is "forty million, four hundred seventy thousand, twenty-nine".