400450555253 has 8 divisors (see below), whose sum is σ = 464488491072. Its totient is φ = 338120297856.

The previous prime is 400450555243. The next prime is 400450555259. The reversal of 400450555253 is 352555054004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400450555253 - 2¹² = 400450551157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400450555259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426919100 + ... + 426920037.

It is an arithmetic number, because the mean of its divisors is an integer number (58061061384).

Almost surely, 2^400450555253 is an apocalyptic number.

It is an amenable number.

400450555253 is a deficient number, since it is larger than the sum of its proper divisors (64037935819).

400450555253 is an equidigital number, since it uses as much as digits as its factorization.

400450555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853839211.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 400450555253 in words is "four hundred billion, four hundred fifty million, five hundred fifty-five thousand, two hundred fifty-three".