50140402 has 16 divisors (see below), whose sum is σ = 83186712. Its totient is φ = 22515840.

The previous prime is 50140397. The next prime is 50140403. The reversal of 50140402 is 20404105.

It can be written as a sum of positive squares in 4 ways, for example, as 47348161 + 2792241 = 6881^2 + 1671^2 .

It is not an unprimeable number, because it can be changed into a prime (50140403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25099 + ... + 27022.

Almost surely, 2^50140402 is an apocalyptic number.

50140402 is a deficient number, since it is larger than the sum of its proper divisors (33046310).

50140402 is a wasteful number, since it uses less digits than its factorization.

50140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52173.

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

The square root of 50140402 is about 7080.9887727633. The cubic root of 50140402 is about 368.7476578612.

Adding to 50140402 its reverse (20404105), we get a palindrome (70544507).

The spelling of 50140402 in words is "fifty million, one hundred forty thousand, four hundred two".