840773126 has 16 divisors (see below), whose sum is σ = 1316485680. Its totient is φ = 402317280.

The previous prime is 840773117. The next prime is 840773189. The reversal of 840773126 is 621377048.

It is a super-3 number, since 3×840773126³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 840773126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88616 + ... + 97643.

It is an arithmetic number, because the mean of its divisors is an integer number (82280355).

Almost surely, 2^840773126 is an apocalyptic number.

840773126 is a deficient number, since it is larger than the sum of its proper divisors (475712554).

840773126 is a wasteful number, since it uses less digits than its factorization.

840773126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186359.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 840773126 is about 28996.0881154683. The cubic root of 840773126 is about 943.8281812577.

The spelling of 840773126 in words is "eight hundred forty million, seven hundred seventy-three thousand, one hundred twenty-six".