426155551624 has 64 divisors (see below), whose sum is σ = 891094841280. Its totient is φ = 189429792000.

The previous prime is 426155551579. The next prime is 426155551643.

426155551624 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 699219 + ... + 1158109.

It is an arithmetic number, because the mean of its divisors is an integer number (13923356895).

Almost surely, 2^426155551624 is an apocalyptic number.

426155551624 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 426155551624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445547420640).

426155551624 is an abundant number, since it is smaller than the sum of its proper divisors (464939289656).

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

426155551624 is a wasteful number, since it uses less digits than its factorization.

426155551624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459142 (or 459138 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 46.

It can be divided in two parts, 426155 and 551624, that added together give a palindrome (977779).

The spelling of 426155551624 in words is "four hundred twenty-six billion, one hundred fifty-five million, five hundred fifty-one thousand, six hundred twenty-four".