450562557565 has 16 divisors (see below), whose sum is σ = 559955980800. Its totient is φ = 347812138240.

The previous prime is 450562557553. The next prime is 450562557619. The reversal of 450562557565 is 565755265054.

It is a happy number.

It is not a de Polignac number, because 450562557565 - 2³⁷ = 313123604093 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13485340 + ... + 13518709.

It is an arithmetic number, because the mean of its divisors is an integer number (34997248800).

Almost surely, 2^450562557565 is an apocalyptic number.

It is an amenable number.

450562557565 is a deficient number, since it is larger than the sum of its proper divisors (109393423235).

450562557565 is a wasteful number, since it uses less digits than its factorization.

450562557565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27004172.

The product of its (nonzero) digits is 31500000, while the sum is 55.

It can be divided in two parts, 45056 and 2557565, that added together give a triangular number (2602621 = T₂₂₈₁).

The spelling of 450562557565 in words is "four hundred fifty billion, five hundred sixty-two million, five hundred fifty-seven thousand, five hundred sixty-five".