424402104 has 128 divisors (see below), whose sum is σ = 1260748800.
Its totient is φ = 116538240.
The previous prime is 424402091. The next prime is 424402117. The reversal of 424402104 is 401204424.
It is an interprime number because it is at equal distance from previous prime (424402091) and next prime (424402117).
It is a super-3 number, since 3×4244021043 (a number of 27 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465409 + ... + 466319.
It is an arithmetic number, because the mean of its divisors is an integer number (9849600).
Almost surely, 2424402104 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 424402104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630374400).
424402104 is an abundant number, since it is smaller than the sum of its proper divisors (836346696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
424402104 is a wasteful number, since it uses less digits than its factorization.
424402104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1033 (or 1029 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 424402104 is about 20601.0219164002.
The cubic root of 424402104 is about 751.4945628420.
Adding to 424402104 its reverse (401204424), we get a palindrome (825606528).
It can be divided in two parts, 42440 and 2104, that added together give a palindrome (44544).
The spelling of 424402104 in words is "four hundred twenty-four million, four hundred two thousand, one hundred four".