427225857420 has 72 divisors (see below), whose sum is σ = 1222226059824. Its totient is φ = 111502884224.

The previous prime is 427225857367. The next prime is 427225857431. The reversal of 427225857420 is 24758522724.

427225857420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 427225857420.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1479147 + ... + 1744226.

It is an arithmetic number, because the mean of its divisors is an integer number (16975361942).

Almost surely, 2^427225857420 is an apocalyptic number.

It is an amenable number.

427225857420 is an abundant number, since it is smaller than the sum of its proper divisors (795000202404).

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

427225857420 is a wasteful number, since it uses less digits than its factorization.

427225857420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223479 (or 3223430 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 427225857420 in words is "four hundred twenty-seven billion, two hundred twenty-five million, eight hundred fifty-seven thousand, four hundred twenty".