420597699858 has 48 divisors (see below), whose sum is σ = 1041593507136. Its totient is φ = 120157676640.

The previous prime is 420597699829. The next prime is 420597699859. The reversal of 420597699858 is 858996795024.

420597699858 is a `hidden beast` number, since 4 + 20 + 597 + 6 + 9 + 9 + 8 + 5 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (420597699859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1009885 + ... + 1364207.

It is an arithmetic number, because the mean of its divisors is an integer number (21699864732).

Almost surely, 2^420597699858 is an apocalyptic number.

420597699858 is an abundant number, since it is smaller than the sum of its proper divisors (620995807278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420597699858 is a wasteful number, since it uses less digits than its factorization.

420597699858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363759 (or 363756 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 72.

The spelling of 420597699858 in words is "four hundred twenty billion, five hundred ninety-seven million, six hundred ninety-nine thousand, eight hundred fifty-eight".