426521052144 has 120 divisors (see below), whose sum is σ = 1302941485872. Its totient is φ = 129173391360.

The previous prime is 426521052143. The next prime is 426521052161. The reversal of 426521052144 is 441250125624.

426521052144 is a `hidden beast` number, since 42 + 6 + 52 + 1 + 0 + 521 + 44 = 666.

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 = 426521052099 and 426521052108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426521052143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2667384 + ... + 2822760.

Almost surely, 2^426521052144 is an apocalyptic number.

426521052144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426521052144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651470742936).

426521052144 is an abundant number, since it is smaller than the sum of its proper divisors (876420433728).

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

426521052144 is a wasteful number, since it uses less digits than its factorization.

426521052144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157135 (or 157126 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 426521052144 its reverse (441250125624), we get a palindrome (867771177768).

The spelling of 426521052144 in words is "four hundred twenty-six billion, five hundred twenty-one million, fifty-two thousand, one hundred forty-four".