424404430140 has 48 divisors (see below), whose sum is σ = 1189097850528. Its totient is φ = 113101615104.

The previous prime is 424404430127. The next prime is 424404430157. The reversal of 424404430140 is 41034404424.

424404430140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 424404430098 and 424404430107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184157 + ... + 2370516.

It is an arithmetic number, because the mean of its divisors is an integer number (24772871886).

Almost surely, 2^424404430140 is an apocalyptic number.

It is an amenable number.

424404430140 is an abundant number, since it is smaller than the sum of its proper divisors (764693420388).

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

424404430140 is a wasteful number, since it uses less digits than its factorization.

424404430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556238 (or 4556236 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 424404430140 its reverse (41034404424), we get a palindrome (465438834564).

The spelling of 424404430140 in words is "four hundred twenty-four billion, four hundred four million, four hundred thirty thousand, one hundred forty".