50040728 has 16 divisors (see below), whose sum is σ = 93961680. Its totient is φ = 24984288.

The previous prime is 50040721. The next prime is 50040763. The reversal of 50040728 is 82704005.

It is a junction number, because it is equal to n+sod(n) for n = 50040697 and 50040706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50040721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (5872605).

Almost surely, 2^50040728 is an apocalyptic number.

It is an amenable number.

50040728 is a deficient number, since it is larger than the sum of its proper divisors (43920952).

50040728 is a wasteful number, since it uses less digits than its factorization.

50040728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026 (or 9022 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 50040728 is about 7073.9471301389. The cubic root of 50040728 is about 368.5031515397.

The spelling of 50040728 in words is "fifty million, forty thousand, seven hundred twenty-eight".