424534336538220 has 960 divisors, whose sum is σ = 1516678285731840. Its totient is φ = 98744699289600.

The previous prime is 424534336538159. The next prime is 424534336538233. The reversal of 424534336538220 is 22835633435424.

424534336538220 is a `hidden beast` number, since 4 + 2 + 4 + 5 + 34 + 336 + 53 + 8 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 76755436855 + ... + 76755442385.

It is an arithmetic number, because the mean of its divisors is an integer number (1579873214304).

Almost surely, 2^{424534336538220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424534336538220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758339142865920).

424534336538220 is an abundant number, since it is smaller than the sum of its proper divisors (1092143949193620).

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

424534336538220 is a wasteful number, since it uses less digits than its factorization.

424534336538220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 54.

The spelling of 424534336538220 in words is "four hundred twenty-four trillion, five hundred thirty-four billion, three hundred thirty-six million, five hundred thirty-eight thousand, two hundred twenty".