428420323470 has 16 divisors (see below), whose sum is σ = 1028208776400. Its totient is φ = 114245419584.

The previous prime is 428420323469. The next prime is 428420323477. The reversal of 428420323470 is 74323024824.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428420323477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7140338695 + ... + 7140338754.

It is an arithmetic number, because the mean of its divisors is an integer number (64263048525).

Almost surely, 2^428420323470 is an apocalyptic number.

428420323470 is an abundant number, since it is smaller than the sum of its proper divisors (599788452930).

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

428420323470 is a wasteful number, since it uses less digits than its factorization.

428420323470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280677459.

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 428420323470 in words is "four hundred twenty-eight billion, four hundred twenty million, three hundred twenty-three thousand, four hundred seventy".