45521213208 has 128 divisors (see below), whose sum is σ = 122583352320. Its totient is φ = 14035230720.

The previous prime is 45521213189. The next prime is 45521213219. The reversal of 45521213208 is 80231212554.

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, 9759885 + ... + 9764547.

It is an arithmetic number, because the mean of its divisors is an integer number (957682440).

Almost surely, 2^45521213208 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 45521213208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61291676160).

45521213208 is an abundant number, since it is smaller than the sum of its proper divisors (77062139112).

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

45521213208 is a wasteful number, since it uses less digits than its factorization.

45521213208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 45521213208 in words is "forty-five billion, five hundred twenty-one million, two hundred thirteen thousand, two hundred eight".