420785741272 has 16 divisors (see below), whose sum is σ = 849663516240. Its totient is φ = 194208803616.

The previous prime is 420785741251. The next prime is 420785741287. The reversal of 420785741272 is 272147587024.

It is a congruent number.

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, 2023008268 + ... + 2023008475.

It is an arithmetic number, because the mean of its divisors is an integer number (53103969765).

Almost surely, 2^420785741272 is an apocalyptic number.

It is an amenable number.

420785741272 is an abundant number, since it is smaller than the sum of its proper divisors (428877774968).

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

420785741272 is a wasteful number, since it uses less digits than its factorization.

420785741272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046016762 (or 4046016758 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 49.

The spelling of 420785741272 in words is "four hundred twenty billion, seven hundred eighty-five million, seven hundred forty-one thousand, two hundred seventy-two".