420364238564 has 24 divisors (see below), whose sum is σ = 743116622976. Its totient is φ = 208046300000.

The previous prime is 420364238551. The next prime is 420364238603. The reversal of 420364238564 is 465832463024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420709 + ... + 1690899.

It is an arithmetic number, because the mean of its divisors is an integer number (30963192624).

Almost surely, 2^420364238564 is an apocalyptic number.

It is an amenable number.

420364238564 is a deficient number, since it is larger than the sum of its proper divisors (322752384412).

420364238564 is a wasteful number, since it uses less digits than its factorization.

420364238564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274147 (or 274145 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 420364238564 in words is "four hundred twenty billion, three hundred sixty-four million, two hundred thirty-eight thousand, five hundred sixty-four".