50032440 has 96 divisors (see below), whose sum is σ = 166121280. Its totient is φ = 13053696.

The previous prime is 50032421. The next prime is 50032501. The reversal of 50032440 is 4423005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 15442 + ... + 18398.

It is an arithmetic number, because the mean of its divisors is an integer number (1730430).

Almost surely, 2^50032440 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 50032440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83060640).

50032440 is an abundant number, since it is smaller than the sum of its proper divisors (116088840).

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

50032440 is a wasteful number, since it uses less digits than its factorization.

50032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50032440 is about 7073.3612943211. The cubic root of 50032440 is about 368.4828059608.

Adding to 50032440 its reverse (4423005), we get a palindrome (54455445).

The spelling of 50032440 in words is "fifty million, thirty-two thousand, four hundred forty".