50290240 has 224 divisors, whose sum is σ = 161812224. Its totient is φ = 14376960.

The previous prime is 50290217. The next prime is 50290249. The reversal of 50290240 is 4209205.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (50290249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320242 + ... + 320398.

It is an arithmetic number, because the mean of its divisors is an integer number (722376).

Almost surely, 2^50290240 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 50290240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80906112).

50290240 is an abundant number, since it is smaller than the sum of its proper divisors (111521984).

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

50290240 is a wasteful number, since it uses less digits than its factorization.

50290240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50290240 is about 7091.5611821375. The cubic root of 50290240 is about 369.1146105405.

Adding to 50290240 its reverse (4209205), we get a palindrome (54499445).

The spelling of 50290240 in words is "fifty million, two hundred ninety thousand, two hundred forty".