4544545400 has 192 divisors, whose sum is σ = 11908166400. Its totient is φ = 1602754560.

The previous prime is 4544545373. The next prime is 4544545403. The reversal of 4544545400 is 45454454.

It is a super-2 number, since 2×4544545400² = 41305785785322320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544545403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6653459 + ... + 6654141.

It is an arithmetic number, because the mean of its divisors is an integer number (62021700).

Almost surely, 2^4544545400 is an apocalyptic number.

4544545400 is a gapful number since it is divisible by the number (40) 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 4544545400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5954083200).

4544545400 is an abundant number, since it is smaller than the sum of its proper divisors (7363621000).

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

4544545400 is a wasteful number, since it uses less digits than its factorization.

4544545400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 4544545400 is about 67413.2435060056. The cubic root of 4544545400 is about 1656.3933647824.

Adding to 4544545400 its reverse (45454454), we get a palindrome (4589999854).

The spelling of 4544545400 in words is "four billion, five hundred forty-four million, five hundred forty-five thousand, four hundred".