424262533140 has 72 divisors (see below), whose sum is σ = 1299671617608. Its totient is φ = 112016505600.

The previous prime is 424262533111. The next prime is 424262533141. The reversal of 424262533140 is 41335262424.

424262533140 is a `hidden beast` number, since 4 + 24 + 2 + 62 + 533 + 1 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 246458630916 + 177803902224 = 496446^2 + 421668^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 424262533095 and 424262533104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424262533141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11650207 + ... + 11686566.

It is an arithmetic number, because the mean of its divisors is an integer number (18050994689).

Almost surely, 2^424262533140 is an apocalyptic number.

It is an amenable number.

424262533140 is an abundant number, since it is smaller than the sum of its proper divisors (875409084468).

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

424262533140 is a wasteful number, since it uses less digits than its factorization.

424262533140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23336889 (or 23336884 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 424262533140 its reverse (41335262424), we get a palindrome (465597795564).

The spelling of 424262533140 in words is "four hundred twenty-four billion, two hundred sixty-two million, five hundred thirty-three thousand, one hundred forty".