4520442400 has 36 divisors (see below), whose sum is σ = 11035531962. Its totient is φ = 1808176640.

The previous prime is 4520442397. The next prime is 4520442401. The reversal of 4520442400 is 42440254.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1803531024 + 2716911376 = 42468^2 + 52124^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (4520442401) 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 5 ways as a sum of consecutive naturals, for example, 2824477 + ... + 2826076.

Almost surely, 2^4520442400 is an apocalyptic number.

4520442400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4520442400 is an abundant number, since it is smaller than the sum of its proper divisors (6515089562).

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

4520442400 is a wasteful number, since it uses less digits than its factorization.

4520442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650573 (or 5650560 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 4520442400 is about 67234.2353269523. The cubic root of 4520442400 is about 1653.4598231067.

Adding to 4520442400 its reverse (42440254), we get a palindrome (4562882654).

The spelling of 4520442400 in words is "four billion, five hundred twenty million, four hundred forty-two thousand, four hundred".