45381270220 has 192 divisors, whose sum is σ = 114538862592. Its totient is φ = 15010195200.

The previous prime is 45381270199. The next prime is 45381270367. The reversal of 45381270220 is 2207218354.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24569337 + ... + 24571183.

It is an arithmetic number, because the mean of its divisors is an integer number (596556576).

Almost surely, 2^45381270220 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 45381270220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57269431296).

45381270220 is an abundant number, since it is smaller than the sum of its proper divisors (69157592372).

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

45381270220 is a wasteful number, since it uses less digits than its factorization.

45381270220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 45381270220 its reverse (2207218354), we get a palindrome (47588488574).

The spelling of 45381270220 in words is "forty-five billion, three hundred eighty-one million, two hundred seventy thousand, two hundred twenty".