424104020340 has 768 divisors, whose sum is σ = 1650467266560. Its totient is φ = 78521425920.

The previous prime is 424104020339. The next prime is 424104020363. The reversal of 424104020340 is 43020401424.

It is a happy number.

It is a super-2 number, since 2×424104020340² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424104020340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 308887894 + ... + 308889266.

It is an arithmetic number, because the mean of its divisors is an integer number (2149045920).

Almost surely, 2^424104020340 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 424104020340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825233633280).

424104020340 is an abundant number, since it is smaller than the sum of its proper divisors (1226363246220).

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

424104020340 is a wasteful number, since it uses less digits than its factorization.

424104020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 424104020340 its reverse (43020401424), we get a palindrome (467124421764).

The spelling of 424104020340 in words is "four hundred twenty-four billion, one hundred four million, twenty thousand, three hundred forty".