4561522000 has 160 divisors (see below), whose sum is σ = 12739184640. Its totient is φ = 1547366400.

The previous prime is 4561521961. The next prime is 4561522037. The reversal of 4561522000 is 2251654.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1356321 + ... + 1359679.

It is an arithmetic number, because the mean of its divisors is an integer number (79619904).

Almost surely, 2^4561522000 is an apocalyptic number.

4561522000 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 4561522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6369592320).

4561522000 is an abundant number, since it is smaller than the sum of its proper divisors (8177662640).

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

4561522000 is a wasteful number, since it uses less digits than its factorization.

4561522000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3470 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4561522000 is about 67539.0405617373. The cubic root of 4561522000 is about 1658.4533423808.

Adding to 4561522000 its reverse (2251654), we get a palindrome (4563773654).

The spelling of 4561522000 in words is "four billion, five hundred sixty-one million, five hundred twenty-two thousand".