424421334100 has 72 divisors (see below), whose sum is σ = 938600972568. Its totient is φ = 166524633600.

The previous prime is 424421334023. The next prime is 424421334133. The reversal of 424421334100 is 1433124424.

It can be written as a sum of positive squares in 12 ways, for example, as 98293536324 + 326127797776 = 313518^2 + 571076^2 .

It is a congruent number.

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, 30844422 + ... + 30858178.

It is an arithmetic number, because the mean of its divisors is an integer number (13036124619).

Almost surely, 2^424421334100 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 424421334100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469300486284).

424421334100 is an abundant number, since it is smaller than the sum of its proper divisors (514179638468).

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

424421334100 is a wasteful number, since it uses less digits than its factorization.

424421334100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19645 (or 19638 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 424421334100 its reverse (1433124424), we get a palindrome (425854458524).

The spelling of 424421334100 in words is "four hundred twenty-four billion, four hundred twenty-one million, three hundred thirty-four thousand, one hundred".