50427440 has 80 divisors (see below), whose sum is σ = 141901632. Its totient is φ = 16269312.

The previous prime is 50427439. The next prime is 50427449. The reversal of 50427440 is 4472405.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (50427449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6872 + ... + 12168.

Almost surely, 2^50427440 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 50427440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70950816).

50427440 is an abundant number, since it is smaller than the sum of its proper divisors (91474192).

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

50427440 is a wasteful number, since it uses less digits than its factorization.

50427440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334 (or 5328 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 50427440 is about 7101.2280628072. The cubic root of 50427440 is about 369.4499740924.

Adding to 50427440 its reverse (4472405), we get a palindrome (54899845).

The spelling of 50427440 in words is "fifty million, four hundred twenty-seven thousand, four hundred forty".