1040223412 has 12 divisors (see below), whose sum is σ = 1820766276. Its totient is φ = 520004480.

The previous prime is 1040223407. The next prime is 1040223413. The reversal of 1040223412 is 2143220401.

It can be written as a sum of positive squares in 2 ways, for example, as 510579216 + 529644196 = 22596^2 + 23014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1040223412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040223413) 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, 2539 + ... + 45682.

It is an arithmetic number, because the mean of its divisors is an integer number (151730523).

Almost surely, 2^1040223412 is an apocalyptic number.

It is an amenable number.

1040223412 is a deficient number, since it is larger than the sum of its proper divisors (780542864).

1040223412 is a wasteful number, since it uses less digits than its factorization.

1040223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53618 (or 53616 counting only the distinct ones).

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

The square root of 1040223412 is about 32252.4946632040. The cubic root of 1040223412 is about 1013.2319473338.

Adding to 1040223412 its reverse (2143220401), we get a palindrome (3183443813).

The spelling of 1040223412 in words is "one billion, forty million, two hundred twenty-three thousand, four hundred twelve".