45522455220 has 240 divisors, whose sum is σ = 156359560896. Its totient is φ = 10995264000.

The previous prime is 45522455171. The next prime is 45522455233. The reversal of 45522455220 is 2255422554.

45522455220 is a `hidden beast` number, since 45 + 52 + 2 + 45 + 522 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5002875 + ... + 5011965.

Almost surely, 2^45522455220 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 45522455220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78179780448).

45522455220 is an abundant number, since it is smaller than the sum of its proper divisors (110837105676).

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

45522455220 is a wasteful number, since it uses less digits than its factorization.

45522455220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404 (or 9393 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

Adding to 45522455220 its reverse (2255422554), we get a palindrome (47777877774).

The spelling of 45522455220 in words is "forty-five billion, five hundred twenty-two million, four hundred fifty-five thousand, two hundred twenty".