420053452526464 has 16 divisors (see below), whose sum is σ = 836825237455320. Its totient is φ = 210026726263168.

The previous prime is 420053452526437. The next prime is 420053452526467. The reversal of 420053452526464 is 464625254350024.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420053452526467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640833798804 + ... + 1640833799059.

Almost surely, 2^{420053452526464} is an apocalyptic number.

It is an amenable number.

420053452526464 is a deficient number, since it is larger than the sum of its proper divisors (416771784928856).

420053452526464 is an equidigital number, since it uses as much as digits as its factorization.

420053452526464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281667597877 (or 3281667597865 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 52.

The spelling of 420053452526464 in words is "four hundred twenty trillion, fifty-three billion, four hundred fifty-two million, five hundred twenty-six thousand, four hundred sixty-four".