50072240 has 40 divisors (see below), whose sum is σ = 117836208. Its totient is φ = 19784960.

The previous prime is 50072237. The next prime is 50072251. The reversal of 50072240 is 4227005.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870 + ... + 10410.

Almost surely, 2^50072240 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 50072240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58918104).

50072240 is an abundant number, since it is smaller than the sum of its proper divisors (67763968).

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

50072240 is a wasteful number, since it uses less digits than its factorization.

50072240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7631 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 50072240 is about 7076.1741075245. The cubic root of 50072240 is about 368.5804874426.

Adding to 50072240 its reverse (4227005), we get a palindrome (54299245).

The spelling of 50072240 in words is "fifty million, seventy-two thousand, two hundred forty".