1040342212 has 48 divisors (see below), whose sum is σ = 2244654720. Its totient is φ = 410844672.

The previous prime is 1040342203. The next prime is 1040342213. The reversal of 1040342212 is 2122430401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040342212.

It is not an unprimeable number, because it can be changed into a prime (1040342213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 237708 + ... + 242044.

It is an arithmetic number, because the mean of its divisors is an integer number (46763640).

Almost surely, 2^1040342212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040342212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122327360).

1040342212 is an abundant number, since it is smaller than the sum of its proper divisors (1204312508).

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

1040342212 is a wasteful number, since it uses less digits than its factorization.

1040342212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040342212 is about 32254.3363286241. The cubic root of 1040342212 is about 1013.2705183343.

Adding to 1040342212 its reverse (2122430401), we get a palindrome (3162772613).

The spelling of 1040342212 in words is "one billion, forty million, three hundred forty-two thousand, two hundred twelve".