420473012265 has 48 divisors (see below), whose sum is σ = 736152318720. Its totient is φ = 221997663360.

The previous prime is 420473012249. The next prime is 420473012287. The reversal of 420473012265 is 562210374024.

420473012265 is a `hidden beast` number, since 4 + 2 + 0 + 473 + 0 + 122 + 65 = 666.

It is not a de Polignac number, because 420473012265 - 2⁴ = 420473012249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14776071 + ... + 14804499.

It is an arithmetic number, because the mean of its divisors is an integer number (15336506640).

Almost surely, 2^420473012265 is an apocalyptic number.

420473012265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420473012265 is a deficient number, since it is larger than the sum of its proper divisors (315679306455).

420473012265 is a wasteful number, since it uses less digits than its factorization.

420473012265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31734 (or 31731 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 420473012265 its reverse (562210374024), we get a palindrome (982683386289).

The spelling of 420473012265 in words is "four hundred twenty billion, four hundred seventy-three million, twelve thousand, two hundred sixty-five".