400360260029 has 2 divisors, whose sum is σ = 400360260030. Its totient is φ = 400360260028.

The previous prime is 400360259987. The next prime is 400360260049. The reversal of 400360260029 is 920062063004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269540603929 + 130819656100 = 519173^2 + 361690^2 .

It is a cyclic number.

It is not a de Polignac number, because 400360260029 - 2²⁰ = 400359211453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400360259977 and 400360260004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400360260049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200180130014 + 200180130015.

It is an arithmetic number, because the mean of its divisors is an integer number (200180130015).

Almost surely, 2^400360260029 is an apocalyptic number.

It is an amenable number.

400360260029 is a deficient number, since it is larger than the sum of its proper divisors (1).

400360260029 is an equidigital number, since it uses as much as digits as its factorization.

400360260029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 400360260029 in words is "four hundred billion, three hundred sixty million, two hundred sixty thousand, twenty-nine".