50220240 has 160 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 11346432.

The previous prime is 50220197. The next prime is 50220311. The reversal of 50220240 is 4202205.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280471 + ... + 280649.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^50220240 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 50220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89994240).

50220240 is an abundant number, since it is smaller than the sum of its proper divisors (129768240).

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

50220240 is a wasteful number, since it uses less digits than its factorization.

50220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 50220240 is about 7086.6240199407. The cubic root of 50220240 is about 368.9432716606.

Adding to 50220240 its reverse (4202205), we get a palindrome (54422445).

The spelling of 50220240 in words is "fifty million, two hundred twenty thousand, two hundred forty".