1040043140 has 12 divisors (see below), whose sum is σ = 2184090636. Its totient is φ = 416017248.

The previous prime is 1040043139. The next prime is 1040043143. The reversal of 1040043140 is 413400401.

It can be written as a sum of positive squares in 2 ways, for example, as 639482944 + 400560196 = 25288^2 + 20014^2 .

It is a super-3 number, since 3×1040043140³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1040043143) 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, 26001059 + ... + 26001098.

It is an arithmetic number, because the mean of its divisors is an integer number (182007553).

Almost surely, 2^1040043140 is an apocalyptic number.

1040043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040043140 is an abundant number, since it is smaller than the sum of its proper divisors (1144047496).

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

1040043140 is a wasteful number, since it uses less digits than its factorization.

1040043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52002166 (or 52002164 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040043140 is about 32249.6998435644. The cubic root of 1040043140 is about 1013.1734125036.

Adding to 1040043140 its reverse (413400401), we get a palindrome (1453443541).

The spelling of 1040043140 in words is "one billion, forty million, forty-three thousand, one hundred forty".