50140420 has 72 divisors (see below), whose sum is σ = 119403648. Its totient is φ = 17539200.

The previous prime is 50140403. The next prime is 50140457. The reversal of 50140420 is 2404105.

It is a junction number, because it is equal to n+sod(n) for n = 50140394 and 50140403.

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, 184885 + ... + 185155.

It is an arithmetic number, because the mean of its divisors is an integer number (1658384).

Almost surely, 2^50140420 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 50140420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59701824).

50140420 is an abundant number, since it is smaller than the sum of its proper divisors (69263228).

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

50140420 is a wasteful number, since it uses less digits than its factorization.

50140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50140420 is about 7080.9900437721. The cubic root of 50140420 is about 368.7477019870.

Adding to 50140420 its reverse (2404105), we get a palindrome (52544525).

The spelling of 50140420 in words is "fifty million, one hundred forty thousand, four hundred twenty".