5423542434 has 80 divisors (see below), whose sum is σ = 12284129088. Its totient is φ = 1788425568.

The previous prime is 5423542409. The next prime is 5423542441. The reversal of 5423542434 is 4342453245.

5423542434 is a `hidden beast` number, since 54 + 23 + 542 + 43 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8305252 + ... + 8305904.

Almost surely, 2^5423542434 is an apocalyptic number.

5423542434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5423542434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6142064544).

5423542434 is an abundant number, since it is smaller than the sum of its proper divisors (6860586654).

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

5423542434 is a wasteful number, since it uses less digits than its factorization.

5423542434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1132 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 5423542434 is about 73644.7040458443. The cubic root of 5423542434 is about 1756.9565206162.

Adding to 5423542434 its reverse (4342453245), we get a palindrome (9765995679).

It can be divided in two parts, 54235 and 42434, that added together give a palindrome (96669).

The spelling of 5423542434 in words is "five billion, four hundred twenty-three million, five hundred forty-two thousand, four hundred thirty-four".