4521522400 has 72 divisors (see below), whose sum is σ = 11050402104. Its totient is φ = 1806604800.

The previous prime is 4521522389. The next prime is 4521522431. The reversal of 4521522400 is 42251254.

It is a super-3 number, since 3×4521522400³ (a number of 30 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 871815 + ... + 876985.

It is an arithmetic number, because the mean of its divisors is an integer number (153477807).

Almost surely, 2^4521522400 is an apocalyptic number.

4521522400 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 4521522400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5525201052).

4521522400 is an abundant number, since it is smaller than the sum of its proper divisors (6528879704).

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

4521522400 is a wasteful number, since it uses less digits than its factorization.

4521522400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284 (or 6271 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4521522400 is about 67242.2664698328. The cubic root of 4521522400 is about 1653.5914912236.

Adding to 4521522400 its reverse (42251254), we get a palindrome (4563773654).

The spelling of 4521522400 in words is "four billion, five hundred twenty-one million, five hundred twenty-two thousand, four hundred".