2831348440 has 32 divisors (see below), whose sum is σ = 6395345280. Its totient is φ = 1128128512.

The previous prime is 2831348417. The next prime is 2831348467. The reversal of 2831348440 is 448431382.

It is a self number, because there is not a number n which added to its sum of digits gives 2831348440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127432 + ... + 147991.

It is an arithmetic number, because the mean of its divisors is an integer number (199854540).

Almost surely, 2^2831348440 is an apocalyptic number.

2831348440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2831348440 is an abundant number, since it is smaller than the sum of its proper divisors (3563996840).

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

2831348440 is a wasteful number, since it uses less digits than its factorization.

2831348440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275691 (or 275687 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 2831348440 is about 53210.4166493742. The cubic root of 2831348440 is about 1414.7002807196.

The spelling of 2831348440 in words is "two billion, eight hundred thirty-one million, three hundred forty-eight thousand, four hundred forty".