50424040 has 64 divisors (see below), whose sum is σ = 124318800. Its totient is φ = 18321408.

The previous prime is 50424037. The next prime is 50424053. The reversal of 50424040 is 4042405.

It can be written as a sum of positive squares in 8 ways, for example, as 27899524 + 22524516 = 5282^2 + 4746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50423999 and 50424017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18442 + ... + 20998.

Almost surely, 2^50424040 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 50424040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62159400).

50424040 is an abundant number, since it is smaller than the sum of its proper divisors (73894760).

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

50424040 is a wasteful number, since it uses less digits than its factorization.

50424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 50424040 is about 7100.9886635595. The cubic root of 50424040 is about 369.4416706889.

Adding to 50424040 its reverse (4042405), we get a palindrome (54466445).

The spelling of 50424040 in words is "fifty million, four hundred twenty-four thousand, forty".