260400029 has 2 divisors, whose sum is σ = 260400030. Its totient is φ = 260400028.

The previous prime is 260400013. The next prime is 260400047. The reversal of 260400029 is 920004062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259951129 + 448900 = 16123^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 260400029 - 2⁴ = 260400013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260399977 and 260400013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260400059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130200014 + 130200015.

It is an arithmetic number, because the mean of its divisors is an integer number (130200015).

Almost surely, 2^260400029 is an apocalyptic number.

It is an amenable number.

260400029 is a deficient number, since it is larger than the sum of its proper divisors (1).

260400029 is an equidigital number, since it uses as much as digits as its factorization.

260400029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 260400029 is about 16136.9151017163. The cubic root of 260400029 is about 638.5775937974.

The spelling of 260400029 in words is "two hundred sixty million, four hundred thousand, twenty-nine".