420812405559 has 48 divisors (see below), whose sum is σ = 765508936192. Its totient is φ = 216804942144.

The previous prime is 420812405551. The next prime is 420812405567. The reversal of 420812405559 is 955504218024.

420812405559 is a `hidden beast` number, since 42 + 0 + 8 + 12 + 40 + 5 + 559 = 666.

It is an interprime number because it is at equal distance from previous prime (420812405551) and next prime (420812405567).

It is not a de Polignac number, because 420812405559 - 2³ = 420812405551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420812405551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5939347 + ... + 6009780.

Almost surely, 2^420812405559 is an apocalyptic number.

420812405559 is a deficient number, since it is larger than the sum of its proper divisors (344696530633).

420812405559 is a wasteful number, since it uses less digits than its factorization.

420812405559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949196 (or 11949193 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 420812405559 in words is "four hundred twenty billion, eight hundred twelve million, four hundred five thousand, five hundred fifty-nine".