840733980331 has 4 divisors (see below), whose sum is σ = 960838834672. Its totient is φ = 720629125992.

The previous prime is 840733980319. The next prime is 840733980343. The reversal of 840733980331 is 133089337048.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (840733980319) and next prime (840733980343).

It is a cyclic number.

It is not a de Polignac number, because 840733980331 - 2³³ = 832144045739 is a prime.

It is a super-2 number, since 2×840733980331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840733980311) 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, 60052427160 + ... + 60052427173.

It is an arithmetic number, because the mean of its divisors is an integer number (240209708668).

Almost surely, 2^840733980331 is an apocalyptic number.

840733980331 is a deficient number, since it is larger than the sum of its proper divisors (120104854341).

840733980331 is a wasteful number, since it uses less digits than its factorization.

840733980331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120104854340.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 840733980331 in words is "eight hundred forty billion, seven hundred thirty-three million, nine hundred eighty thousand, three hundred thirty-one".