420477144585 has 16 divisors (see below), whose sum is σ = 673668918144. Its totient is φ = 223952648192.

The previous prime is 420477144583. The next prime is 420477144601. The reversal of 420477144585 is 585441774024.

It is a cyclic number.

It is not a de Polignac number, because 420477144585 - 2¹ = 420477144583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420477144583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18852792 + ... + 18875081.

It is an arithmetic number, because the mean of its divisors is an integer number (42104307384).

Almost surely, 2^420477144585 is an apocalyptic number.

It is an amenable number.

420477144585 is a deficient number, since it is larger than the sum of its proper divisors (253191773559).

420477144585 is a wasteful number, since it uses less digits than its factorization.

420477144585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37728624.

The product of its (nonzero) digits is 5017600, while the sum is 51.

The spelling of 420477144585 in words is "four hundred twenty billion, four hundred seventy-seven million, one hundred forty-four thousand, five hundred eighty-five".