45650320 has 40 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 18134400.

The previous prime is 45650309. The next prime is 45650327. The reversal of 45650320 is 2305654.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×45650320² = 4167903432204800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45650327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10191 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (2671704).

Almost surely, 2^45650320 is an apocalyptic number.

45650320 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 45650320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53434080).

45650320 is an abundant number, since it is smaller than the sum of its proper divisors (61217840).

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

45650320 is a wasteful number, since it uses less digits than its factorization.

45650320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45650320 is about 6756.5020535777. The cubic root of 45650320 is about 357.3945635897.

Adding to 45650320 its reverse (2305654), we get a palindrome (47955974).

The spelling of 45650320 in words is "forty-five million, six hundred fifty thousand, three hundred twenty".