400600455555253 has 4 divisors (see below), whose sum is σ = 407167676138188. Its totient is φ = 394033234972320.

The previous prime is 400600455555241. The next prime is 400600455555301. The reversal of 400600455555253 is 352555554006004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75238154564049 + 325362300991204 = 8673993^2 + 18037802^2 .

It is a cyclic number.

It is not a de Polignac number, because 400600455555253 - 2²⁹ = 400599918684341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400600455555197 and 400600455555206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400600455558253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283610291376 + ... + 3283610291497.

It is an arithmetic number, because the mean of its divisors is an integer number (101791919034547).

Almost surely, 2^{400600455555253} is an apocalyptic number.

It is an amenable number.

400600455555253 is a deficient number, since it is larger than the sum of its proper divisors (6567220582935).

400600455555253 is an equidigital number, since it uses as much as digits as its factorization.

400600455555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567220582934.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 400600455555253 in words is "four hundred trillion, six hundred billion, four hundred fifty-five million, five hundred fifty-five thousand, two hundred fifty-three".