4542420344 has 96 divisors (see below), whose sum is σ = 10918236000. Its totient is φ = 1769644800.

The previous prime is 4542420331. The next prime is 4542420409. The reversal of 4542420344 is 4430242454.

It is a self number, because there is not a number n which added to its sum of digits gives 4542420344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325184 + ... + 338864.

It is an arithmetic number, because the mean of its divisors is an integer number (113731625).

Almost surely, 2^4542420344 is an apocalyptic number.

4542420344 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 4542420344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5459118000).

4542420344 is an abundant number, since it is smaller than the sum of its proper divisors (6375815656).

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

4542420344 is a wasteful number, since it uses less digits than its factorization.

4542420344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13730 (or 13701 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 4542420344 is about 67397.4802496354. The cubic root of 4542420344 is about 1656.1351447891.

Adding to 4542420344 its reverse (4430242454), we get a palindrome (8972662798).

The spelling of 4542420344 in words is "four billion, five hundred forty-two million, four hundred twenty thousand, three hundred forty-four".