420725556704 has 48 divisors (see below), whose sum is σ = 871438656816. Its totient is φ = 199685145600.

The previous prime is 420725556697. The next prime is 420725556721. The reversal of 420725556704 is 407655527024.

It is a congruent number.

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, 4284902 + ... + 4381989.

It is an arithmetic number, because the mean of its divisors is an integer number (18154972017).

Almost surely, 2^420725556704 is an apocalyptic number.

It is an amenable number.

420725556704 is an abundant number, since it is smaller than the sum of its proper divisors (450713100112).

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

420725556704 is a wasteful number, since it uses less digits than its factorization.

420725556704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666979 (or 8666971 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 420725556704 in words is "four hundred twenty billion, seven hundred twenty-five million, five hundred fifty-six thousand, seven hundred four".