420767148285 has 64 divisors (see below), whose sum is σ = 823660047360. Its totient is φ = 202101618240.

The previous prime is 420767148271. The next prime is 420767148313. The reversal of 420767148285 is 582841767024.

420767148285 is a `hidden beast` number, since 4 + 20 + 7 + 67 + 1 + 482 + 85 = 666.

It is not a de Polignac number, because 420767148285 - 2²⁰ = 420766099709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1165147 + ... + 1482936.

It is an arithmetic number, because the mean of its divisors is an integer number (12869688240).

Almost surely, 2^420767148285 is an apocalyptic number.

420767148285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420767148285 is a deficient number, since it is larger than the sum of its proper divisors (402892899075).

420767148285 is a wasteful number, since it uses less digits than its factorization.

420767148285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648215 (or 2648209 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 420767148285 in words is "four hundred twenty billion, seven hundred sixty-seven million, one hundred forty-eight thousand, two hundred eighty-five".