424155551424 has 224 divisors, whose sum is σ = 1276137712896. Its totient is φ = 123190087680.

The previous prime is 424155551423. The next prime is 424155551453.

424155551424 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (424155551423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5195142 + ... + 5276154.

Almost surely, 2^424155551424 is an apocalyptic number.

424155551424 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 424155551424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638068856448).

424155551424 is an abundant number, since it is smaller than the sum of its proper divisors (851982161472).

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

424155551424 is a wasteful number, since it uses less digits than its factorization.

424155551424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81143 (or 81133 counting only the distinct ones).

The product of its digits is 640000, while the sum is 42.

It can be divided in two parts, 424155 and 551424, that added together give a palindrome (975579).

The spelling of 424155551424 in words is "four hundred twenty-four billion, one hundred fifty-five million, five hundred fifty-one thousand, four hundred twenty-four".