420544201256 has 16 divisors (see below), whose sum is σ = 813956519040. Its totient is φ = 203489129520.

The previous prime is 420544201243. The next prime is 420544201309. The reversal of 420544201256 is 652102445024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847871126 + ... + 847871621.

It is an arithmetic number, because the mean of its divisors is an integer number (50872282440).

Almost surely, 2^420544201256 is an apocalyptic number.

It is an amenable number.

420544201256 is a deficient number, since it is larger than the sum of its proper divisors (393412317784).

420544201256 is a wasteful number, since it uses less digits than its factorization.

420544201256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695742784 (or 1695742780 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 420544201256 in words is "four hundred twenty billion, five hundred forty-four million, two hundred one thousand, two hundred fifty-six".