420285321682 has 16 divisors (see below), whose sum is σ = 650789452800. Its totient is φ = 203356026720.

The previous prime is 420285321611. The next prime is 420285321733. The reversal of 420285321682 is 286123582024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694919 + ... + 1926997.

It is an arithmetic number, because the mean of its divisors is an integer number (40674340800).

Almost surely, 2^420285321682 is an apocalyptic number.

420285321682 is a deficient number, since it is larger than the sum of its proper divisors (230504131118).

420285321682 is a wasteful number, since it uses less digits than its factorization.

420285321682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261321.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 420285321682 in words is "four hundred twenty billion, two hundred eighty-five million, three hundred twenty-one thousand, six hundred eighty-two".