4522371612 has 72 divisors (see below), whose sum is σ = 11612444928. Its totient is φ = 1368792480.

The previous prime is 4522371589. The next prime is 4522371617. The reversal of 4522371612 is 2161732254.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522371617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1896573 + ... + 1898955.

Almost surely, 2^4522371612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4522371612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806222464).

4522371612 is an abundant number, since it is smaller than the sum of its proper divisors (7090073316).

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

4522371612 is a wasteful number, since it uses less digits than its factorization.

4522371612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719 (or 3706 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 4522371612 is about 67248.5807433882. The cubic root of 4522371612 is about 1653.6950081152.

The spelling of 4522371612 in words is "four billion, five hundred twenty-two million, three hundred seventy-one thousand, six hundred twelve".