420454353 has 64 divisors (see below), whose sum is σ = 671846400. Its totient is φ = 231029760.

The previous prime is 420454351. The next prime is 420454369. The reversal of 420454353 is 353454024.

It is not a de Polignac number, because 420454353 - 2¹ = 420454351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420454353.

It is not an unprimeable number, because it can be changed into a prime (420454351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2348818 + ... + 2348996.

It is an arithmetic number, because the mean of its divisors is an integer number (10497600).

Almost surely, 2^420454353 is an apocalyptic number.

It is an amenable number.

420454353 is a deficient number, since it is larger than the sum of its proper divisors (251392047).

420454353 is a wasteful number, since it uses less digits than its factorization.

420454353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 420454353 is about 20504.9836137462. The cubic root of 420454353 is about 749.1571883573.

The spelling of 420454353 in words is "four hundred twenty million, four hundred fifty-four thousand, three hundred fifty-three".