45220263240 has 128 divisors (see below), whose sum is σ = 136492646400. Its totient is φ = 11985027840.

The previous prime is 45220263229. The next prime is 45220263259. The reversal of 45220263240 is 4236202254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 45220263198 and 45220263207.

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 31 ways as a sum of consecutive naturals, for example, 15575629 + ... + 15578531.

It is an arithmetic number, because the mean of its divisors is an integer number (1066348800).

Almost surely, 2^45220263240 is an apocalyptic number.

45220263240 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 45220263240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68246323200).

45220263240 is an abundant number, since it is smaller than the sum of its proper divisors (91272383160).

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

45220263240 is a wasteful number, since it uses less digits than its factorization.

45220263240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3663 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 45220263240 its reverse (4236202254), we get a palindrome (49456465494).

The spelling of 45220263240 in words is "forty-five billion, two hundred twenty million, two hundred sixty-three thousand, two hundred forty".