4520523400 has 48 divisors (see below), whose sum is σ = 10556623440. Its totient is φ = 1800225600.

The previous prime is 4520523379. The next prime is 4520523407. The reversal of 4520523400 is 43250254.

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 (4520523407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4386 + ... + 95185.

It is an arithmetic number, because the mean of its divisors is an integer number (219929655).

Almost surely, 2^4520523400 is an apocalyptic number.

4520523400 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 4520523400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5278311720).

4520523400 is an abundant number, since it is smaller than the sum of its proper divisors (6036100040).

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

4520523400 is a wasteful number, since it uses less digits than its factorization.

4520523400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99814 (or 99805 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 4520523400 is about 67234.8376959445. The cubic root of 4520523400 is about 1653.4696989428.

Adding to 4520523400 its reverse (43250254), we get a palindrome (4563773654).

The spelling of 4520523400 in words is "four billion, five hundred twenty million, five hundred twenty-three thousand, four hundred".