50840340 has 24 divisors (see below), whose sum is σ = 142353120. Its totient is φ = 13557408.

The previous prime is 50840297. The next prime is 50840347. The reversal of 50840340 is 4304805.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50840340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50840347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423610 + ... + 423729.

It is an arithmetic number, because the mean of its divisors is an integer number (5931380).

Almost surely, 2^50840340 is an apocalyptic number.

It is an amenable number.

50840340 is an abundant number, since it is smaller than the sum of its proper divisors (91512780).

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

50840340 is a wasteful number, since it uses less digits than its factorization.

50840340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847351 (or 847349 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 50840340 is about 7130.2412301408. The cubic root of 50840340 is about 370.4555868384.

The spelling of 50840340 in words is "fifty million, eight hundred forty thousand, three hundred forty".