45050440 has 64 divisors (see below), whose sum is σ = 106997760. Its totient is φ = 17045760.

The previous prime is 45050437. The next prime is 45050441. The reversal of 45050440 is 4405054.

45050440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45050441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57894 + ... + 58666.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840).

Almost surely, 2^45050440 is an apocalyptic number.

45050440 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 45050440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53498880).

45050440 is an abundant number, since it is smaller than the sum of its proper divisors (61947320).

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

45050440 is a wasteful number, since it uses less digits than its factorization.

45050440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 45050440 is about 6711.9624551989. The cubic root of 45050440 is about 355.8221768988.

Adding to 45050440 its reverse (4405054), we get a palindrome (49455494).

The spelling of 45050440 in words is "forty-five million, fifty thousand, four hundred forty".