420236466445 has 16 divisors (see below), whose sum is σ = 526266398592. Its totient is φ = 321537261760.

The previous prime is 420236466439. The next prime is 420236466451. The reversal of 420236466445 is 544664632024.

It is an interprime number because it is at equal distance from previous prime (420236466439) and next prime (420236466451).

It is not a de Polignac number, because 420236466445 - 2³ = 420236466437 is a prime.

It is a super-2 number, since 2×420236466445² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420236466395 and 420236466404.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 888390 + ... + 1276600.

It is an arithmetic number, because the mean of its divisors is an integer number (32891649912).

Almost surely, 2^420236466445 is an apocalyptic number.

It is an amenable number.

420236466445 is a deficient number, since it is larger than the sum of its proper divisors (106029932147).

420236466445 is a wasteful number, since it uses less digits than its factorization.

420236466445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397652.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 420236466445 in words is "four hundred twenty billion, two hundred thirty-six million, four hundred sixty-six thousand, four hundred forty-five".