50122440 has 96 divisors (see below), whose sum is σ = 168550200. Its totient is φ = 12902400.

The previous prime is 50122439. The next prime is 50122463. The reversal of 50122440 is 4422105.

It can be written as a sum of positive squares in 4 ways, for example, as 42068196 + 8054244 = 6486^2 + 2838^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8040 + ... + 12840.

Almost surely, 2^50122440 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 50122440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84275100).

50122440 is an abundant number, since it is smaller than the sum of its proper divisors (118427760).

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

50122440 is a wasteful number, since it uses less digits than its factorization.

50122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 50122440 is about 7079.7203334595. The cubic root of 50122440 is about 368.7036199448.

Adding to 50122440 its reverse (4422105), we get a palindrome (54544545).

It can be divided in two parts, 501224 and 40, that added together give a square (501264 = 708²).

The spelling of 50122440 in words is "fifty million, one hundred twenty-two thousand, four hundred forty".