290040029 has 2 divisors, whose sum is σ = 290040030. Its totient is φ = 290040028.

The previous prime is 290040019. The next prime is 290040059. The reversal of 290040029 is 920040092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207648100 + 82391929 = 14410^2 + 9077^2 .

It is a cyclic number.

It is not a de Polignac number, because 290040029 - 2²⁴ = 273262813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290040019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145020014 + 145020015.

It is an arithmetic number, because the mean of its divisors is an integer number (145020015).

Almost surely, 2^290040029 is an apocalyptic number.

It is an amenable number.

290040029 is a deficient number, since it is larger than the sum of its proper divisors (1).

290040029 is an equidigital number, since it uses as much as digits as its factorization.

290040029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 290040029 is about 17030.5616172809. The cubic root of 290040029 is about 661.9410481362.

The spelling of 290040029 in words is "two hundred ninety million, forty thousand, twenty-nine".